Advanced pH Down 4 Litres is an ultra-concentrated formula designed to help you maintain your swimming pool’s pH levels. It quickly and effectively lowers pH levels in the pool, keeping the water clean and safe. This fast-acting solution helps protect your pool’s interior from damage caused by a high pH or alkalinity. The pH Down 4 Litres formula is highly reliable and dependable, giving you the peace of mind that you have the best protection against pH imbalance. This powerful pH lowering solution was designed to give you better control over your pool’s pH balance. With Advanced pH Down 4 Litres, you can rest assured that your pool water is safe and clean.