If you’re looking for the best water softener systems to improve your water quality instantly, I recommend checking out options like Aquasana Whole House Filters, Aquasana SimplySoft, and iSpring WCS45KG—they effectively remove minerals, chemicals, and contaminants for healthier water. Systems like VEVOR and Kenmore also offer reliable, salt-saving solutions for smaller households. To find the perfect fit, consider capacity, maintenance needs, and water source compatibility, which I’ll explain as you continue.
Key Takeaways
- Top water softeners effectively remove hardness minerals like calcium and magnesium, preventing scale buildup instantly.
- Many systems feature high capacity, ensuring continuous soft water for large households without frequent maintenance.
- Salt-based and salt-free options provide immediate water quality improvement, catering to different preferences and environmental needs.
- Advanced systems include automatic regeneration, digital controls, and easy installation for quick, hassle-free setup.
- Choose systems with proven performance, durability, and good user reviews to instantly enhance water quality across your home.
| Aquasana Whole House Water Filter System |  | Best Overall | Capacity: Up to 1 million gallons / 10-year lifespan | Treatment Type: Water filtration + scale control | Installation Type: Whole house, seamless plumbing | VIEW LATEST PRICE | See Our Full Breakdown |
| Aquasana SimplySoft Water Softener Whole House System |  | Best for Large Homes | Capacity: 60,000 grains | Treatment Type: Water softening | Installation Type: Whole house, standard installation | VIEW LATEST PRICE | See Our Full Breakdown |
| iSpring WCS45KG Whole House Water Softener System |  | High-Capacity Softener | Capacity: 45,000 grains | Treatment Type: Water softening | Installation Type: Whole house, standard installation | VIEW LATEST PRICE | See Our Full Breakdown |
| Aquasure Harmony 48,000 Grain Whole House Water Softener |  | Best Salt-Free Softener | Capacity: 48,000 grains | Treatment Type: Water softening + filtration | Installation Type: Whole house, standard installation | VIEW LATEST PRICE | See Our Full Breakdown |
| iSpring WCS45KG Whole House Water Softener System | | Best Digital Control | Capacity: 45,000 grains | Treatment Type: Water softening | Installation Type: Whole house, standard installation | VIEW LATEST PRICE | See Our Full Breakdown |
| Aquasure Harmony 50,000 Grains Whole House Water Softener |  | Compact & Efficient | Capacity: 50,000 grains | Treatment Type: Water softening + filtration | Installation Type: Whole house, standard installation | VIEW LATEST PRICE | See Our Full Breakdown |
| Hardless NG4 Whole House Water Filter System |  | Eco-Friendly Choice | Capacity: 32,000 grains | Treatment Type: Water conditioning + filtration | Installation Type: Whole house, compact design | VIEW LATEST PRICE | See Our Full Breakdown |
| Aquasana Whole House Water Filter System (EQ-1000-AST-UV) |  | Budget-Friendly Option | Capacity: 48,000 grains | Treatment Type: Water filtration + salt-free conditioning | Installation Type: Whole house, standard installation | VIEW LATEST PRICE | See Our Full Breakdown |
| iSpring EDV2 Whole House Water Descaler |  | Descaler & Conditioner | Capacity: Not specified (descaler, not softener) | Treatment Type: Scale reduction (descaler) | Installation Type: Whole house, no plumbing modifications needed | VIEW LATEST PRICE | See Our Full Breakdown |
| Aquasure Harmony 48,000 Grain Whole House Water Softener | | Easy Touch Control | Capacity: 32,000 grains | Treatment Type: Water softening | Installation Type: Whole house, standard installation | VIEW LATEST PRICE | See Our Full Breakdown |
| AO Smith Salt-Free Whole House Water Descaler |  | Ideal for Small Homes | Capacity: Not specified (descaler, not softener) | Treatment Type: Scale prevention (descaler) | Installation Type: Whole house, NPT connection | VIEW LATEST PRICE | See Our Full Breakdown |
| VEVOR Water Softener System with Touch Control |  | Space-Saving Design | Capacity: 32,000 grains | Treatment Type: Water softening | Installation Type: Whole house, easy install | VIEW LATEST PRICE | See Our Full Breakdown |
| Kenmore 420 Water Softener System with Salt Saving |  | Smart Regeneration | Capacity: 40,000 grains | Treatment Type: Water softening with AI | Installation Type: Whole house, space-saving | VIEW LATEST PRICE | See Our Full Breakdown |
| Aquasana SimplySoft 40,000 Grain Whole House Water Softener |  | Best for Well Water | Capacity: 40,000 grains | Treatment Type: Water softening | Installation Type: Whole house, standard plumbing | VIEW LATEST PRICE | See Our Full Breakdown |
More Details on Our Top Picks
Aquasana Whole House Water Filter System
The Aquasana Whole House Water Filter System is an excellent choice for households that want clean, great-tasting water from every tap without the use of salt or chemicals. It combines advanced multi-stage filtration with salt-free scale control, removing up to 99.99% of chlorine, bacteria, viruses, and cysts. I appreciate its ability to improve water, air, skin, and hair health while protecting appliances and plumbing. Designed to last up to 10 years or filter a million gallons, it offers incredible value at under a penny per gallon. Easy to install and maintain, it’s perfect for anyone seeking a reliable, chemical-free solution for whole-house filtration.
- Capacity:Up to 1 million gallons / 10-year lifespan
- Treatment Type:Water filtration + scale control
- Installation Type:Whole house, seamless plumbing
- Control System:Multi-stage filtration + scale control
- Certification:NSF/ANSI compliant
- Maintenance:Minimal, filter change every 10 years
- Additional Feature:Long-lasting up to 10 years
- Additional Feature:Preserves beneficial minerals
- Additional Feature:Salt-free Scale Control Media
Aquasana SimplySoft Water Softener Whole House System
If you have a large household with multiple bathrooms, the Aquasana SimplySoft Water Softener Whole House System is an excellent choice to guarantee consistently soft, scale-free water throughout your home. Built for homes with 5 or more people and four or more bathrooms, it effectively reduces hard water minerals, improving water quality from every tap. Certified by IAPMO to NSF/ANSI Standard 44 and CSA B483.1, it ensures reliable performance. It helps protect appliances, prevents scale buildup, and saves on soap and cleaning products. With easy-to-use controls and a durable design, this system delivers soft, gentle water that benefits your skin, clothes, and household appliances.
- Capacity:60,000 grains
- Treatment Type:Water softening
- Installation Type:Whole house, standard installation
- Control System:Digital LCD, programmable
- Certification:NSF/ANSI Standard 44, CSA
- Maintenance:Pre-filter optional, salt/maintenance
- Additional Feature:Meets NSF/ANSI Standard 44
- Additional Feature:Optional pre-filter available
- Additional Feature:User-friendly LCD display
iSpring WCS45KG Whole House Water Softener System
Looking for a reliable solution to protect your entire home’s plumbing and appliances from hard water damage? The iSpring WCS45KG Whole House Water Softener System is a high-capacity unit that treats up to 45,000 grains of hardness, removing up to 99.43% of calcium and magnesium. Its automatic backwash and regeneration features reduce manual maintenance, while the compact design saves space. With adjustable hardness settings, you can customize the softening level to suit your water source. Built with durable materials, it effectively prevents scale buildup, extends appliance life, and ensures you enjoy soft, quality water for everything from cooking to laundry.
- Capacity:45,000 grains
- Treatment Type:Water softening
- Installation Type:Whole house, standard installation
- Control System:Automatic backwash, adjustable hardness
- Certification:SGS-tested, NSF-certified
- Maintenance:Media regeneration, minimal
- Additional Feature:Automatic backwash system
- Additional Feature:Compact one-tank design
- Additional Feature:Customizable hardness settings
Aquasure Harmony 48,000 Grain Whole House Water Softener
For households with 3 to 4 bathrooms seeking to eliminate hard water issues, the Aquasure Harmony 48,000 Grain Whole House Water Softener offers an efficient solution. It’s designed to treat up to 48,000 grains of hardness, removing calcium, magnesium, and other minerals that cause scale buildup and skin irritation. Plus, its triple-purpose sediment, carbon, and zinc pre-filter removes 99% of contaminants like chlorine, pesticides, and heavy metals, ensuring clean, safe water. Its digital control system makes maintenance easy, allowing me to customize auto-flush intervals. Built with durable, corrosion-resistant materials, it protects appliances and extends their lifespan, providing reliable, soft water throughout my home.
- Capacity:48,000 grains
- Treatment Type:Water softening + filtration
- Installation Type:Whole house, standard installation
- Control System:Digital metered control, auto-flush
- Certification:Not specified
- Maintenance:No salt, no backwash, low maintenance
- Additional Feature:Automatic digital metered control
- Additional Feature:Triple-purpose sediment filter
- Additional Feature:Lifetime US-based tech support
iSpring WCS45KG Whole House Water Softener System
The iSpring WCS45KG Whole House Water Softener System is an excellent choice for households and small businesses that need reliable, high-capacity water treatment. It handles up to 45,000 grains of hardness, removing over 99% of calcium and magnesium to ensure soft, healthy water. Designed to protect appliances and plumbing from scale buildup, it prolongs equipment lifespan and maintains ideal performance. Its compact, one-tank design with automatic backwash and customizable hardness settings makes maintenance simple and efficient. Built with high-quality materials, it offers outstanding durability, while its economical operation minimizes salt, water, and space use. Plus, it comes with extensive support and warranty options for peace of mind.
- Capacity:45,000 grains
- Treatment Type:Water softening
- Installation Type:Whole house, standard installation
- Control System:Automatic digital, programmable
- Certification:SGS, NSF/ANSI certified
- Maintenance:Regeneration, optional pre-filter
- Additional Feature:Same as Product 3 (duplicate)
- Additional Feature:Meets NSF/ANSI Standard 44
- Additional Feature:Space-saving design
Aquasure Harmony 50,000 Grains Whole House Water Softener
If you’re managing a medium-sized household with 4 to 6 bathrooms and up to seven residents, the Aquasure Harmony 50,000 Grains Whole House Water Softener is an excellent choice. It effectively removes calcium, magnesium, and other minerals that cause scale buildup and skin irritation, providing soft, spot-free water throughout your home. Its triple-purpose pre-filter also eliminates 99% of harmful contaminants like chlorine, VOCs, and odors, protecting your appliances and improving water quality. The advanced digital control system optimizes salt and water usage, saving you money. Built with durable stainless steel and backed by a 5-year warranty, it’s a reliable solution for clean, high-quality water.
- Capacity:50,000 grains
- Treatment Type:Water softening + filtration
- Installation Type:Whole house, standard installation
- Control System:Digital control, auto-backwash
- Certification:NSF/ANSI, CSA
- Maintenance:Regular resin replacement, auto backwash
- Additional Feature:Built-in advanced digital console
- Additional Feature:Backwash optimization technology
- Additional Feature:Rated for up to 7 people
Hardless NG4 Whole House Water Filter System
Those seeking a hassle-free way to improve their household water quality without adding salt will appreciate the Hardless NG4 Whole House Water Filter System. It provides salt-free water conditioning while effectively removing sediment, limescale, chlorine, iron, and other impurities. Unlike traditional softeners, it retains essential minerals, ensuring better taste, healthier skin, and shinier hair. Easy to install with standard connections, the system requires minimal maintenance—cartridge replacement every six months. Its compact, space-saving design offers an affordable, reliable solution for whole-house filtration. Overall, the Hardless NG4 enhances water quality effortlessly, supporting a healthier household environment without the hassle of salt-based systems.
- Capacity:32,000 grains
- Treatment Type:Water conditioning + filtration
- Installation Type:Whole house, compact design
- Control System:Cartridge-based, easy maintenance
- Certification:Not specified
- Maintenance:Cartridge lasts ~6 months
- Additional Feature:Salt-free water conditioning
- Additional Feature:Compact, space-efficient design
- Additional Feature:Minimal maintenance needed
Aquasana Whole House Water Filter System (EQ-1000-AST-UV)
For households seeking extensive water treatment, the Aquasana Whole House Water Filter System (EQ-1000-AST-UV) stands out with its multi-stage filtration that effectively removes up to 99.99% of chlorine, bacteria, viruses, and sediment. It combines carbon, KDF, UV, and salt-free Scale Control Media to guarantee safe, great-tasting water for drinking, cooking, and bathing. The system also includes a salt-free conditioner that prevents scale buildup without adding sodium or using chemicals. With a lifespan of up to a million gallons or ten years, it offers long-term value and low maintenance, making it an excellent investment for all-encompassing household water purification.
- Capacity:48,000 grains
- Treatment Type:Water filtration + salt-free conditioning
- Installation Type:Whole house, standard installation
- Control System:No specific control system, maintenance-free
- Certification:NSF/ANSI Standard 44
- Maintenance:No salt, no backwash needed
- Additional Feature:Removes bacteria and viruses
- Additional Feature:No backwashing or salt
- Additional Feature:Improves air quality from steam
iSpring EDV2 Whole House Water Descaler
Looking for an effective, chemical-free solution to fight limescale and extend the life of your appliances? The iSpring EDV2 Whole House Water Descaler might be just what you need. It uses advanced electronic technology to reduce scale buildup without chemicals, preserving natural water chemistry. You’ll notice improvements in water quality within 12 weeks, and your appliances will last longer by preventing deposits in pipes, washers, and water heaters. Powered by a robust battery, it’s highly efficient and long-lasting. Made from durable aluminum alloy, it’s built to withstand the test of time, and installation is simple—no plumbing changes required.
- Capacity:Not specified (descaler, not softener)
- Treatment Type:Scale reduction (descaler)
- Installation Type:Whole house, no plumbing modifications needed
- Control System:No control panel, scale prevention
- Certification:Not specified
- Maintenance:No maintenance, long lifespan
- Additional Feature:Nearly 10x more powerful
- Additional Feature:No plumbing modifications needed
- Additional Feature:Lifetime personalized support
Aquasure Harmony 48,000 Grain Whole House Water Softener
If you need a reliable solution to soften water for a small to medium household, the Aquasure Harmony 48,000 Grain Whole House Water Softener is an excellent choice. It’s designed for 1-2 bathrooms and delivers ultra-softened water to all outlets. It effectively removes calcium and magnesium minerals that cause scale buildup, skin irritation, and appliance damage. The system features an automatic digital control head with a backlit display, allowing easy customization and monitoring. Built with durable, corrosion-resistant materials, it guarantees long-lasting performance. Plus, it comes with a 5-year warranty, a 30-day money-back assurance, and lifetime US-based technical support.
- Capacity:32,000 grains
- Treatment Type:Water softening
- Installation Type:Whole house, standard installation
- Control System:Digital metered control, programmable
- Certification:NSF/ANSI certified
- Maintenance:Regular refills, easy monitoring
- Additional Feature:Fully programmable backlit display
- Additional Feature:Built with high-strength materials
- Additional Feature:Supports city and well water
AO Smith Salt-Free Whole House Water Descaler
The AO Smith Salt-Free Whole House Water Descaler stands out as an ideal choice for households seeking to prevent scale buildup without the use of salt or chemicals. It offers salt-free, chemical-free scale prevention, reducing buildup in pipes and plumbing while keeping minerals in the water. Suitable for moderate hardness levels, it’s compatible with well and city water systems. Designed for extensive household use, it requires no maintenance, backwashing, or electricity, lasting up to 6 years or 600,000 gallons. With a flow rate of 7 GPM and a 6-year warranty, it’s a reliable, eco-friendly solution for improving water quality across your entire home.
- Capacity:Not specified (descaler, not softener)
- Treatment Type:Scale prevention (descaler)
- Installation Type:Whole house, NPT connection
- Control System:No control panel, scale prevention
- Certification:NSF/ANSI compliant
- Maintenance:No maintenance, long-lasting
- Additional Feature:6-year lifespan
- Additional Feature:No cleaning or backwashing
- Additional Feature:Supports flow up to 7 GPM
VEVOR Water Softener System with Touch Control
The VEVOR Water Softener System with Touch Control is an excellent choice for small to mid-sized households seeking an easy-to-use and efficient way to combat hard water. It reduces over 90% of calcium and magnesium ions, preventing scale buildup and protecting your appliances, clothes, and skin. With a resin capacity of 0.88 cu. ft., it treats up to 32,000 grains of hardness, making it ideal for 1-3 people. The system’s automatic touch panel simplifies operation, allowing quick management of softening and regeneration cycles. Its durable polyethylene construction guarantees long-lasting performance, while the space-saving design makes installation and maintenance straightforward.
- Capacity:32,000 grains
- Treatment Type:Water softening
- Installation Type:Whole house, easy install
- Control System:Touch control, auto regeneration
- Certification:NSF/ANSI Standard 44
- Maintenance:Automatic, low upkeep
- Additional Feature:Touch control panel
- Additional Feature:Regeneration lasts 8-30 days
- Additional Feature:Leak-resistant polyethylene tank
Kenmore 420 Water Softener System with Salt Saving
Looking for a water softener that saves you money on salt and energy? The Kenmore 420 Water Softener System is a smart choice. With a 40,000-grain capacity, it handles tough water issues for up to five people, softening minerals and reducing iron. Its AI-powered IntelliSoft technology learns your water usage, regenerating only when needed, cutting salt, water, and energy use by up to 40%. The digital display keeps you informed about flow, salt levels, and daily usage. Designed for well water, it tackles rust and dirt, providing cleaner, better-tasting water while protecting your plumbing and appliances.
- Capacity:40,000 grains
- Treatment Type:Water softening with AI
- Installation Type:Whole house, space-saving
- Control System:AI learning, digital control
- Certification:Extended warranty, quality assurance
- Maintenance:AI-powered, minimal upkeep
- Additional Feature:AI-powered IntelliSoft tech
- Additional Feature:Real-time system monitoring
- Additional Feature:Space-efficient design
Aquasana SimplySoft 40,000 Grain Whole House Water Softener
If your household has up to five people and four bathrooms, the Aquasana SimplySoft 40,000 Grain Whole House Water Softener is an ideal choice. It effectively reduces hard water minerals through ion exchange, delivering soft, scale-free water everywhere in your home. Suitable for city or well water, it helps protect pipes and appliances from mineral buildup, extending their lifespan. The system softens water, making skin and hair feel better, and keeps glasses, dishes, and shower doors spotless. Its user-friendly LCD control panel allows for easy customization and efficiency, using less salt and water than traditional systems. Plus, it’s certified, reliable, and backed by a solid warranty.
- Capacity:40,000 grains
- Treatment Type:Water softening
- Installation Type:Whole house, standard plumbing
- Control System:Digital, auto-regeneration
- Certification:NSF/ANSI Standard 44
- Maintenance:Routine, filter replacement as needed
- Additional Feature:Meted operation reduces costs
- Additional Feature:Optional pre-filter available
- Additional Feature:Easy-to-read LCD control panel
Factors to Consider When Choosing Water Softener Systems
When choosing a water softener, I consider factors like water hardness levels and how much capacity I need to handle daily use. I also look at maintenance needs, compatibility with my water source, and my budget to find the best fit. These considerations help guarantee I get a system that works efficiently and fits my lifestyle.
Water Hardness Levels
Understanding water hardness levels is essential when choosing a water softener system because these levels determine the size and capacity needed to effectively treat your water. Hard water contains high levels of calcium and magnesium minerals, which can cause scale buildup and reduce soap’s effectiveness. Water hardness is measured in grains per gallon (gpg) or parts per million (ppm), with soft water below 1 gpg and hard water above 7 gpg. Different softener systems are designed to handle specific hardness levels and are rated for a maximum number of grains they can treat before regeneration. To select the right system, I recommend testing your water with a reliable testing kit to determine its current hardness level. This guarantees your softener is properly sized for ideal performance.
System Capacity Needs
Choosing the right water softener capacity depends on accurately evaluating your household’s total annual water hardness, household size, and daily water use. First, determine the total grains of hardness your water contains each year to select a system with sufficient capacity. Larger households with more bathrooms and members generally need higher grain capacity units. It’s also essential to calculate your daily water consumption, especially during peak times, to ensure the softener can handle demand without frequent regeneration. Match the system’s grain capacity to your water hardness level; harder water requires a larger grain rating for effective softening. Additionally, choosing a system with a capacity slightly above your typical usage provides a buffer, helping to prevent overworking the unit and extending its lifespan.
Maintenance Requirements
Maintaining your water softener is essential to keep it running efficiently and prolong its lifespan. Regular upkeep involves replenishing salt, cleaning resin tanks, and checking for leaks to ensure peak performance. How often you need to do these tasks depends on your system’s capacity, water usage, and water hardness, with maintenance typically ranging from monthly to yearly. Some systems come with automatic regeneration and digital controls, which make maintenance easier by reducing manual effort and providing alerts when service is needed. Ignoring maintenance can cause mineral buildup, decreased efficiency, and potential damage to appliances and plumbing. Proper upkeep not only extends your softener’s life but also keeps your water quality high and avoids costly repairs or replacements down the line.
Water Source Compatibility
Have you checked if your water softener system is compatible with your water source? It’s essential because city and well water have different treatment needs. City water usually contains fewer contaminants, while well water might have higher levels of iron, sediment, or other minerals. You should verify if the system can handle the specific contaminants in your water, like calcium, magnesium, or iron, and whether it can effectively treat your water’s hardness. Also, make sure the system’s filtration media suits your water’s pH and alkalinity. Finally, double-check that the inlet and outlet connections match your plumbing to avoid installation issues. Proper compatibility guarantees your water softener works efficiently and protects your household from any potential water quality issues.
Budget and Costs
When evaluating water softener systems, it’s essential to take into account both the initial purchase price and ongoing expenses like salt, filters, and electricity. This helps determine the total budget and long-term affordability. Comparing the cost per gallon of filtered water can reveal which system offers better value; units lasting up to 10 years or filtering a million gallons often prove more economical over time. Higher-capacity systems generally cost more upfront but are better suited for larger households, potentially reducing operating costs. Don’t forget to factor in the costs of replacement parts and filters, which vary between salt-based and salt-free options. Additionally, effective water softening can lead to savings on appliances, repairs, and cleaning products, offsetting some initial investment.
Installation Complexity
Choosing the right water softener system involves considering how easy or difficult it will be to install. Some systems are straightforward and can be set up DIY, while others require professional installation due to complex plumbing needs. I look at how seamlessly the unit integrates with my existing pipes, checking for compatibility and space requirements. I also consider whether the system comes with pre-installed components or if I’ll need extras like filters or bypass valves. Significant modifications, such as drilling or pipe rerouting, can make installation more challenging, so I weigh those factors carefully. Additionally, I review manufacturer instructions and customer support options to ensure I can troubleshoot effectively if issues arise. This helps prevent surprises and makes the whole process smoother.
Frequently Asked Questions
How Often Should I Replace the Filters or Resin in These Systems?
I recommend replacing the filters or resin every 6 to 12 months, depending on your water usage and the system’s capacity. I always check the manufacturer’s guidelines, as some systems have indicators that tell me when it’s time. Regular maintenance keeps the system running efficiently and ensures my water stays soft and clean. Don’t forget to monitor for any signs of decreased performance, which might mean an earlier replacement is needed.
Are There Specific Maintenance Routines for Each Water Softener Model?
Yes, each water softener model has specific maintenance routines. I always follow the manufacturer’s guidelines, which typically include regular resin cleaning or regeneration, checking salt levels, and inspecting for leaks. I recommend reviewing your user manual for detailed instructions, as maintenance can vary. Staying consistent helps guarantee your system works efficiently, providing you with soft, high-quality water without unexpected issues.
Can These Systems Remove Other Contaminants Besides Hardness Minerals?
Yes, many water softener systems can remove other contaminants like lead, chlorine, and certain pesticides, depending on the type of system and the installed media. I recommend checking the specifications of each model to see if they include additional filters or media designed for broader contaminant removal. Keep in mind, some systems are primarily for hardness, so choose one tailored to your specific water quality concerns.
What Is the Typical Lifespan of These Water Softener Units?
I’ve found that most water softener units typically last around 10 to 15 years with proper maintenance. Sometimes, it feels like they outlive us, especially when they keep working smoothly through the seasons. Regularly replacing filters and checking for wear helps extend their lifespan. Honestly, I’ve seen some units go even longer if you stay on top of maintenance, making them a reliable, long-term investment for better water quality.
Do These Systems Work Effectively With Well Water or Only City Water?
These systems work effectively with both well water and city water, but I recommend testing your water first. Well water often contains higher levels of iron, manganese, or sulfur, which may require specific softener types or additional filters. I’ve found that many systems handle these contaminants well, but choosing the right unit depends on your water’s unique qualities. Consulting a water expert can guarantee you get the best setup for your needs.
Conclusion
Did you know that over 85% of households in the US deal with hard water issues? Choosing the right water softener can instantly improve your water quality and extend your appliances’ lifespan. After exploring these top systems, I’m confident you’ll find one that fits your needs. Remember, investing in a good water softener isn’t just about soft water—it’s about protecting your home and health for years to come.
