Aqua Natural Midnight Pearl Aquarium Gravel Weight:9kg 2ml)/day for each 100L of

2ml)/day for each 100L of water in a heavily stocked system

Easy set up

Helps to prevent algae

FritzZyme 7 contains live freshwater-specific strains of live nitrifying bacteria proven to reduce fish loss due to toxic levels of ammonia and nitrite

Water should also be tested after treatment to confirm a zero ppm copper concentration before reintroduction of any invertebrates

Aqua Natural Midnight Pearl Aquarium Gravel Weight:9kg 2ml)/day for each 100L of2 4mm Sourced from ancient beach deposits of New Zealand and shaped by the Southern Ocean's waves. Midnight Pearl is naturally round gravel has a base of black pebbles with various shades of brown and grey pebbles mixed throughout with hints of gold pebbles to give a unique dark richness to the colour. This pebble provides a great backdrop for native features in aquariums and acts as a wonderful dark offset which brings out tropical fishes colours.