10-05-2008, 01:20 AM
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Is your tank planted? Is there a need for gravel? If not, then change over to sand, as it will make the kuhli's happy. As you probably already know, loaches are bottom dwellers. As bottom dwellers, they need a substrate the wont get scratched on trying to dig, which unfortunately doesnt allow for gravel over 1.5 milimetres big. My suggestion to you would be to change to sand, unless your current financial status doesn't allow for it.
In my 55G tank, I intend to have it heavily planted, but bottom dwellers don't much allow for that now do they? So my plan is, to use eco complete and gravel on the back half of my tank, and where the open space is without plants, im going to use a dark sandy substrate, to give it that natural look of a dark waters like in the wild, as opposed to light colours like oceanic environments. That'st just an idea for you if you have plants and need the gravel to allow the to root properly.
Hope it helps :)