alanmin4304 Posted March 1, 2009 Report Share Posted March 1, 2009 I think the gas that builds up to dangerous levels is about the same risk as vampires. I have grown plants on virtually un siphoned sand for years without a problem. There are no vacuum cleaners in the Amazon Quote Link to comment Share on other sites More sharing options...
fishbreeder Posted March 1, 2009 Report Share Posted March 1, 2009 thanks guys, makes things easy now. will let you know how i get on. Quote Link to comment Share on other sites More sharing options...
AquaVitamins Posted May 7, 2009 Report Share Posted May 7, 2009 Ok so you said that the Sea shells would raise the Ph, but what if you have drift wood in the tank? wouldn't that balance it? Quote Link to comment Share on other sites More sharing options...
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