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Do I Need a Water Softener? Signs of Hard Water, Sizing and Prices in Kenya

By the Herritech Ventures engineering team · Updated 29 September 2026

Do I Need a Water Softener? Signs of Hard Water, Sizing and Prices in Kenya
Quick answer: You need a water softener if your water leaves white scale on kettles, geysers and tiles, soap will not lather, or your boiler or RO membrane scales up. H-TECH automatic softeners cost KSh 60,400 to KSh 1,458,000 in Kenya and are sized by flow (tonnes per hour) and hardness.
Key facts
  • Hard water = calcium and magnesium; softeners swap them out with resin
  • Size by peak flow (T/H) and hardness level
  • Regenerated with salt from a brine tank
  • Protects boilers, geysers, laundries and RO membranes

Signs you have hard water

How a softener works

H-TECH automatic water softener system with brine tank
An automatic softener: resin vessel, control valve and brine tank.

Water passes through resin beads that capture calcium and magnesium and release sodium. When the resin is full, the control valve runs a regeneration: it rinses the resin with brine from the salt tank, then returns to service.

Water softener prices

Current listed prices incl. VAT (updated 29 September 2026). Full range: Water softeners price list.

How to size a softener

  1. Test the hardness of your water.
  2. Find your peak flow in tonnes (m³) per hour: 1 T/H = 1,000 litres per hour.
  3. Choose a unit rated for your peak flow; higher hardness needs more resin or more frequent regeneration.

Softener or RO?

A softener removes hardness but not salt or fluoride. If your water is salty or high in fluoride, you need RO, often with a softener before it. See borehole water treatment.

Frequently asked questions

How much is a water softener in Kenya?

H-TECH automatic softeners cost KSh 60,400 to KSh 1,458,000, depending on flow rate and hardness.

Does a softener make water safe to drink?

No. It removes hardness only. Use RO and UV for drinking water.

How often do I add salt?

Top up the brine tank so salt is always visible above the water; usage depends on hardness and water used.

Do hotels need softeners?

Hotels, laundries and boiler rooms usually do, to protect boilers, geysers and washing machines from scale.