pH booster JOKER - 5kg, to increase the pH of your pond when it is too acidic. It is recommended that the water of your swimming pool is around a neutral pH, around 7. A 5kg packaging more economical! Advantages: Increases the pH of your pool A neutral pH is recommended for swimming pool water Powder conditioning for more precision Characteristics: Ph booster recommended for swimming pool: around 7 Packaging: powder Weight: 5 kg Packaging: Delivered in its original packaging Caution: Use pool care products with care. Before use, read the label and product information.