best substrate for rays and is mine ok ?

  • We are currently upgrading MFK. thanks! -neo

CanadianKeeper

Fire Eel
MFK Member
Apr 25, 2012
1,248
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66
Ontario
Ok I know ALOT of people like bare bottom but I hate it... I have Silica sand in my tank. Wondering if it is fine or if I should switch up ? What is the best ?
 
silicic dioxide? Should I be worried about it? The sand has been in the tank for a month. Id think that it would not be a problem by now ?

 
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