Just returned from michigan. Of course first thing before comming home stoped at lfs bought 2 Mexican snains ans 2 two that burry in sand can't think of right names now to Algie .Before I left on wed. scraped 3 sides of tank was real green sand snails plumbing ect . Turned off 130 watt actinate and white day light . Left moon light on. Came homr tonight algie nearly gone Now what caused it to grow in a day and a halpf and get 80% better in the same time is 12 hours of 130 watt light too much they come on actinate 2 hrs actinate and white 8 hrs just actinate at nite 2 hrs then moon light rest of the time.