hmt321 said:you need to wash it first but yes. I would drain the tank, remove old gravel, and put new gravel on bottom, then old gravel on top. nitrifying bacteria have colonized your old gravel and if you cover it it could start a mini-cycle, use de-clorinater.
my spell checker will not work on this computer, forgive the misspelling
guppygal said:Ugh - I REALLY don't want to drain the tank -- the gravel for the 10g was from a 3 week cycled 5 gallon hex.
How bad is it if I just dump in the rinsed gravel?
psilo said:Can i ask why you need more gravel guppygal? Is this to be a community tank or a fry tank or what? How much gravel do you have in already?
You can dump in more gravel, just fill a jug or whatever and lay it in gently, no big deal![]()