We heard there are plenty of fish in the sea, but that isn’t how you approach taking care of your own aquatic kin. You took the fish out of water and are on a mission to keep that water safe & sound. Our Gravel Cleaner not only eliminates fish waste & food accumulation but also improves water quality & clarity, reduces toxin build-up and eliminates odors — but what truly makes our Gravel Cleaner different is this: our formulation uses nature to clean nature. That means you don’t have to worry about adding chemicals to your tank or any toxic byproducts because we’ve taken what Mother Nature already took eons to design and put it in a bottle (using bacteria to reduce ammonia, nitrate, nitrite & phosphate). Natural. Toxin free. Fish safe... And best of all: Enzyme Based. That’s what makes us better. That’s what makes us Natural Rapport.