Aquaguard PLUS Aquaguard PLUS is a Premium conditioner for freshwater aquariums. Instantly eliminates ammonia (NH3), chloramine, residual chlorine, heavy metals, and other toxic substances. The perfect mechanism for fish protection. You can fully trust “AQUAGUARD PLUS” for the care of tropical fish in your favorite aquarium thanks to its stabilizing effect, which will maintain a healthy water quality. For new aquariums, use 20ml of AZOO Aquaguard Plus per 100 liters of aquarium water. Uses of Product: For water changes, add 10ml per 100 liters of new water. For regular use, add 5ml of product every week.