Copper Sulphate for Swimming Pools: Right Dose, How to Use It & Why Your Pool Turns Green

The right copper sulphate dose for any pool (1 g per 1,000 L, then 0.5 g monthly), how to add it safely, why pools turn green after copper – and why you should never u...

Bleaching Powder Uses: Water Tank, Bathroom, Algae & White Clothes – Dose Chart

How much bleaching powder in 1 litre of water? A simple dose chart for water tank cleaning, bathrooms, toilets, algae and white cotton clothes – with step-by-step use ...