ADA Tourmaline F 250g - Premium Aquarium Water Conditioner for Crystal Clear Fish Tank Water | Perfect for Freshwater & Planted Aquariums

Tourmaline is a mineral compound of iron, aluminium, sodium, boron, lithium and magnesium which are gradually dissolved into the water enriching it of important trace elements. Tourmaline F is an electrostatic mineral that improves water quality as it flows through the filter. Moreover it inhibits with the creation of free radicals (active oxygen)