Request an all swim catalogue
Advice On All Our Products
Anywhere in the UK
Our Online price promise
On purchase over £60
Free UK Delivery Over £60UK Mainland Only (Excludes Highlands)Excludes Hot Tubs & Swimspas except Inflatables
All Prices include VAT
The ideal spa calcium hardness levels are between 100 - 200mg/l(ppm), promoting 'balanced' water and protection of spa plant equipment. Test the calcium hardness level of the spa water and if it is below 100mg/l (ppm) use Aquasparkle Spa Hardness Plus to increase the level.