Robbo2232 Posted April 23, 2008 Share Posted April 23, 2008 Hello friends! I am having some problems in my tank, my LFS said that my problem could be caused by trapped gasses in my sand substrate, I have a thick layer around 8 - 10cms. would there be any problems with having sand that thick? Thanks Rob Quote Link to comment Share on other sites More sharing options...
kilroy Posted April 23, 2008 Share Posted April 23, 2008 Yes, try not to have it more than an inch or two deep. The gases get trapped and can be fatal to your fish if they aren't released regularly. If you cut down the depth and give the substrate a good stir when you do your waterchanges you should be right... Quote Link to comment Share on other sites More sharing options...
mcsx Posted April 23, 2008 Share Posted April 23, 2008 yeh my sand bed is quite thin. probably 3cm in the thickest spot. Quote Link to comment Share on other sites More sharing options...
Robbo2232 Posted April 23, 2008 Author Share Posted April 23, 2008 (edited) is there any tests i can do to see how much gas in the water? any one know what type of gas it is? Edited April 23, 2008 by Robbo2232 Quote Link to comment Share on other sites More sharing options...
chevguy Posted April 23, 2008 Share Posted April 23, 2008 (edited) Hydrogen Sulfide or H2S,(rotten egg gas) it is toxic to humans so NFI what it will do to fish. A thin layer of sand is all that is really needed and if your fish don't stir it up,then each water change stir the sand around as much as you can,so the bottom layer is on top until next time around. Edited April 23, 2008 by chevguy Quote Link to comment Share on other sites More sharing options...
Robbo2232 Posted April 24, 2008 Author Share Posted April 24, 2008 I have G. rio Branco in there at the moment and wanted to see them sifting all the sand around i will take out half and see what happens Thanks all! Quote Link to comment Share on other sites More sharing options...
chevguy Posted April 24, 2008 Share Posted April 24, 2008 I have G. rio Branco in there at the moment and wanted to see them sifting all the sand around i will take out half and see what happens Thanks all! I would take out a lot more than half,you only need a fine layer for geo's,about 5-10mm at most as the shallower it is the looser it will be and the easier it will be for them to sift,in turn you will find they will sift more. Also if they aren't sifting much,only feed once a day and give them a fairly decent water current. Quote Link to comment Share on other sites More sharing options...
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