envii Aquarium Klear – Natural Bacteria Clears Green Water Treatment, Crystal Clear Fish Tank Gravel Cleaner, Prevents Growth of New Algae – 500ml Treats 4,000 litres

Description

Biological aquarium treatment that uses billions of beneficial bacteria to clean water
Eliminates green water in aquariums, removes sludge and naturally removes dangerous toxins from water
Effective biological gravel cleaner for aquariums that also improves water clarity and quality
Fish tank water treatment which in both freshwater and saltwater aquariums
1 500ml bottle treats up to 4,000 litres