PQ pH Down lowers pH and total alkalinity in swimming pool water.
100% Sodium Bisulphate Powder
Safer to use than liquid pool acid
Product designed for lowering pH and Total Alkalinity
Non Dangerous Goods
Lowers pH and total alkalinity in swimming pools and spas
Can be used as a stain treatment in some cases
To decrease the Total Alkalinity by 10ppm in 25,000 Litres add 375 grams
To decrease the Total Alkalinity by 10ppm in 50,000 Litres add 750 grams
pH Down should be pre-dissolved in a bucket of water
Dosage rates indicated are a guide only. Please refer to the label on the bottle for further instructions.
We recommend that you obtain advice from our Pool Professional before adding any treatment to your pool or spa.