San Francisco Bay Shrimp Brine Roll-A-Cube 2lb (Frozen) filmtec Stability is one of the filmtec bassletlantern Size:Large (3-1/2" to 4-1/2") Aquarium Setup The Gulf

San Francisco Bay Shrimp Brine Roll A Cube 2lb (Frozen) filmtec Stability is one of the filmtec bassletlantern Size:Large (3 1 2" to 4 1 2") Aquarium Setup The Gulf Stability is one of the keys to keeping a saltwater tank healthy over a long span of time and most reefers will set up an automated system that doses their aquariums needed additives daily removing repetitive (and forgettable) chore General Calcium Adjustments Create a 1 gallon solution by following the Mixing Instructions above and then test your aquariums current calcium level and using the BRS Reef Calculator input your current and desired calcium levels along with your total system water volume