Fluval Cycle is a fast-acting aquarium supplement designed to kick start and improve the biological filtration of a fish tank. The bacteria rich formula neutralises ammonia, so it's great for new aquariums.Fluval Cycle is a carefully selected biological water conditioner created with carefully selected strains of beneficial bacteria.

If the goods are faulty they can be exchanged for a replacement. If you change your mind about your purchase we can issue you with a refund via a credit note.