Can i use old gravel to create hill effect??

tko187

Member
Joined
18 Jun 2008
Messages
244
Just wondering, i have gravel in my tank just now but will be replacing completely with amazonia, is it ok if i use my gravel underneath my amazonia to create a hill area?? Sloping effect, wasnt sure, i have three bags of amazonia so should be enough. It will be completely covered and is only being used so i can make a hill effect! Thanks.
 
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