Water2Buy Water hardness test strips are a great indicator of the level of hardness or limescale in your water.
Use this voucher code for a test kit free of charge.
Copy this coupon code:
FREETEST9
Continue to the water test product.
https://www.water2buy.com/shop/water-hardness-test-strips-for-water-softener/
…add to basket and use the coupon code when checking out and pick free shipping for a free limescale test on us.