Bio wheel on my reef

bdubbya

Member
I've heard that bio-wheels can contribute to nitrates. I'm just curious what evryone here thinks about that. T4AH.
 

attml

Active Member
I haven't checked in about a week, but I run a Penguin Dual Bio-Wheel filter for mechanical and some biological filtration and my readings have been at zero since about 3 weeks after I set my tank up.
 
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