3 - 5mm 20Lb
Now get the benefits of rapid break-in that were only available to marine aquarists until now!
Confidence in a bag. Instant AquariumTMtakes the guess work out of starting a new tank. The Instant AquariumTM line offers a variety of finer grade natural gravels and sands water packed with living, water-purifying bacteria, state of the art clarifier, and a complete water conditioner. Tap water is all you need to get started. Instant AquariumTM immediately begins the cycling process, eliminating new tank syndrome, and discouraging nuisance algaes. Instant AquariumTM detoxifies metals, eliminates ammonia, neutralizes chlorine and chloramines, and provides a protective slime coat for stressed fish. Instant AquariumTM also reduces nitrates and nitrites. Starting a new aquarium has never been easier.