Marine World of 

​Hot Springs

​​Old Tank Syndrome Cured by: "The Four Day Rule" and the "Spin Cycle Method"

     We have observed over the last 46 years that we've been in the saltwater retail market, that the #1 reason for failure amd discouragement with especially Reef Aquariums, is the high build up of nasty looking hairy, slimy, algae?red slime (cynobacteria) and dead, or dying, corals (especially SPS corals). This is commonly called "old tank syndrome". The cause of this is mostly due to the slow build up of nutrients (mostly phosphate based) in the {particle filter" (polyester filter floss, carbon, filter socks, and especially, the sand underneath the rock work!