These crystal water pouches for your aquarium live up to their name by making your tank crystal clear. They absorb harmful nitrates and stabilise the PH value of the water. Not only that, they also reduce the growth of algae. No fish tank should be without them, they work for turtle tanks too. Just add to the filter and let them work their magic. || * Makes water crystal clear | * Absorbs harmful nitrates | * Stabilises PH of water | * Reduces algae growth | * Filter pouches | * For good water care | * Safe for turtle tanks | * Aquarium accessory | * Maximum: 50 litres
