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10 Best Water Softener

From leading brands and best sellers available on the web.
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#2
BWT WS355
Available on
£549
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#8
BWT WS755
Available on
£1,225.35
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Our Top Picks

#1

Winner

Kinetico Block Salt for Water Softeners - Genuine Kinetico Product - Delivers Superior Performance - 9 packs with 18 salt blocks in total

Rating
10.0
Chosen by1,335
Salt Efficiency
Salt Efficiency
The salt blocks deliver excellent quality and work perfectly with compatible water softeners, ensuring smooth operation.

The Kinetico Block Salt is designed to work with many popular water softener models that use block salt, offering a reliable option for keeping your water softener running smoothly. One of its main strengths is the high purity of the salt blocks—99.9% food-grade salt—which means fewer impurities like sand or grit that can harm your system over time. This purity helps protect your softener and maintain its efficiency.

The product comes in a pack of 9, with 18 salt blocks in total, providing good value and longer-lasting use. It is known for its consistent performance and is highly rated by users, reflecting satisfaction with its effectiveness. However, it’s important to note that the salt blocks are not compatible with all water softener models; for example, it won’t work with softeners requiring curved block salt varieties.

If you have a compatible softener model that uses block salt, this product offers a pure and efficient way to maintain your system, but make sure to check your softener's requirements before purchasing.

Rating
10.0
Chosen by1,335
Salt Efficiency
Salt Efficiency
The salt blocks deliver excellent quality and work perfectly with compatible water softeners, ensuring smooth operation.
#2

BWT WS355 Standard Electronic Water Softener, Blue, 14 Litre

8.5  score

Available on
£549
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Rating
8.5
Salt Efficiency
Salt Efficiency
Maintenance is minimal, with low salt consumption even for a three-person household.

The BWT WS355 Standard Electronic Water Softener is designed to accommodate family usage with a 14-liter capacity, making it suitable for medium to large households. It boasts a maximum flow rate of 30 liters per minute, ensuring that water pressure remains consistent even during peak usage times.

Its easy installation process, supported by an included installation kit and free home commissioning, makes it user-friendly for those who may not be technically inclined. The product also comes with a generous warranty of 5 years for parts and 2 years for labor, offering peace of mind to buyers. Additionally, all materials are BS6920 certified, indicating compliance with quality standards for drinking water products.

The use of tablet salt is a convenient feature, simplifying the maintenance process. However, the countertop installation method might not appeal to everyone, especially those with limited space or who prefer a more integrated water softening system. The unit’s dimensions (48 x 27 x 60.2 cm) and weight (23.2 kg) can be substantial, and may require a dedicated space in your kitchen cupboard. Despite this minor drawback, the BWT WS355 provides robust performance and ease of use, making it a solid choice for families seeking an effective water softener.

Rating
8.5
Salt Efficiency
Salt Efficiency
Maintenance is minimal, with low salt consumption even for a three-person household.
#3

Harvey Block Salt for Water Softeners | Original Pure Grade A Food Quality Salt | 3 Bags, Securely Boxed | Each Bag Contains 2 Blocks | Efficient Softening Solution

8.2  score

Available on
£32.99
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The Harvey Block Salt for Water Softeners provides a solid solution for those using block salt water softeners. With three securely packaged bags, each containing two 4kg salt blocks, users receive a total of 24kg of Grade A-quality salt designed to enhance water softening efficiency. This product is suitable for standard models from brands like Harvey, Kinetico, Crown, Monarch, TwinTec, and Minimax, though it’s important to note it is not compatible with specific models like HarveyArc, Minimax Innova, and TwinTec Cobalt due to their different salt requirements.

The Grade A purity meets stringent BS EN973 standards, ensuring reliable performance and efficient removal of minerals that cause limescale buildup, thus maintaining the operational effectiveness of your water softener. Crafted in the UK, it reflects quality through meticulous manufacturing practices. However, users with models requiring Mini Curve Salt Blocks should look for alternatives.

Its notable best-seller ranking and high customer reviews indicate good acceptance among DIY enthusiasts, making it a trustworthy option for regular regeneration cycles. Users seeking a dependable and efficient product for maintaining their water softening systems will benefit from this offering, provided their models are compatible.

Buying Guide for the Best Water Softener

Choosing the right water softener for your home is essential to ensure you have access to soft water, which can help prevent scale buildup in your pipes and appliances, improve the efficiency of your water heater, and make your skin and hair feel softer. To make an informed decision, you need to consider several key specifications that will determine the effectiveness and suitability of the water softener for your specific needs.
Grain CapacityGrain capacity refers to the amount of hardness minerals (like calcium and magnesium) a water softener can remove before it needs to regenerate. This spec is important because it determines how often the system will need to regenerate, which affects both water and salt usage. Grain capacities typically range from 20,000 to 80,000 grains. For a small household with 1-2 people, a lower capacity (20,000-30,000 grains) may be sufficient. For larger households with 4 or more people, a higher capacity (40,000-80,000 grains) is recommended. To pick the right one, consider the number of people in your household and your average water usage.
Regeneration TypeRegeneration type refers to how the water softener refreshes its resin beads to continue removing hardness minerals. There are two main types: time-initiated and demand-initiated. Time-initiated systems regenerate at a set schedule, regardless of water usage, which can lead to inefficiency. Demand-initiated systems regenerate based on actual water usage, making them more efficient and cost-effective. If you have fluctuating water usage or want to save on water and salt, a demand-initiated system is a better choice. For consistent water usage, a time-initiated system may suffice.
Salt EfficiencySalt efficiency measures how effectively a water softener uses salt to regenerate its resin beads. This is important because higher salt efficiency means lower operating costs and less environmental impact. Salt efficiency is often expressed in terms of grains of hardness removed per pound of salt used. Look for systems with higher efficiency ratings if you want to minimize salt usage and reduce maintenance costs. If you are environmentally conscious or want to save on salt, prioritize models with high salt efficiency.
Water Flow RateWater flow rate indicates how much water the softener can treat per minute, usually measured in gallons per minute (GPM). This spec is crucial because it affects the water pressure in your home. Flow rates typically range from 7 to 20 GPM. For smaller households or homes with fewer water fixtures, a lower flow rate (7-10 GPM) may be adequate. For larger homes with multiple bathrooms and high water usage, a higher flow rate (15-20 GPM) is necessary to ensure consistent water pressure. Choose a flow rate that matches your household's water usage patterns to avoid pressure drops.
Resin TypeThe resin type in a water softener is the material that captures hardness minerals. There are standard resins and high-capacity resins. Standard resins are suitable for most households and provide good performance. High-capacity resins are more durable and can handle higher levels of hardness, making them ideal for areas with extremely hard water. If you live in an area with moderately hard water, standard resin will suffice. For very hard water, consider high-capacity resin to ensure long-lasting performance and efficiency.
Bypass ValveA bypass valve allows you to divert water around the water softener, which is useful for maintenance or if you need to use untreated water for certain tasks. This spec is important for convenience and flexibility. Some systems come with a built-in bypass valve, while others require you to purchase it separately. If you anticipate needing to bypass the softener frequently, look for models with an easy-to-use built-in bypass valve. For occasional use, a separate valve may be sufficient.