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Calcium Hardness Increaser 25kg Bucket

Blue Horizon

LID: 80745
blue horizons
25kg
hardness increaser
for hot tubs & pools
CHM-9343
Discontinued

Swimming pool calcium hardness levels should be maintained at a minimum of 200mg/l (ppm) to ensure that the pool and equipment are protected. Calcium Hardness Raiser is a calcium flake which rapidly increases calcium hardness to the desired level.

Instructions

  • Before applying this product it should be pre-dissolved in a clean plastic container at a maximum rate of 100g of product to 10 ltrs of cold fresh water. Stir well to ensure the product is fully dissolved. Repeat application to achieve the total dose required – see table below for dose rates. It is recommended that the total treatment is split into three equal applications with a minimum of 8 hours between each.
  • After pre-dissolving add the resulting solution to the pool near the inlets with the filtration system in operation.
  • Following the application the pool water may become cloudy so keep the filtration pump running continuously until it clears.
  • After treatment check the pH level and if necessary adjust.
Pool Volume
Dose Rate To increase Calcium Hardness

M3 (Ltrs)Gallons10mg/l20mg/l50mg/l
4.55 (4,545)1,00068g136g340g
11.36 (11,364)2,500170g340g850g
22.73 (22,730)5,000340g680g1.70kg
45.45 (45,455)10,000680g1.36kg3.40kg
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