CARIB SEA INC – CARIB SEA INSTANT AQUARIUM TAHITI MOON SAND 2CS 20LB. Instant Aquarium™ – Confidence in a bag. New Instant Aquarium™ takes the guess work out of starting a new tank. The Instant Aquarium™ line offers a variety of 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 Aquarium™ immediately begins the cycling process, eliminating new tank syndrome, and discouraging nuisance algaes. Instant Aquarium™ detoxifies metals, eliminates ammonia, neutralizes chlorine and chloramines, and provides a protective slime coat for stressed fish. Instant Aquarium™ also reduces nitrates and nitrites. Starting a new aquarium has never been easier.