ok dude i do allot of watter changes ,., my tank is 400 liters.,.so itss kina big m,m,once 10 dayz i hange thats good wright .,., how do i keep them away from parasites ,.be more specifik bro ,.,.,.thanx anywaysm,m take care,m,m,
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one of my piranhas start showing red eyes ,.,.it is a rhombeus hahah yippiiee,m,m