jrp1588
Aquarium Advice Addict
I've got a rena xp3 on my planted tank, and in the past week, it suddenly started churning out bubbles constantly. I do use this filter to inject CO2 into my system with a DIY PVC reactor, but I don't think it's churning Co2 bubbles since I ran the system for a couple days with my CO2 disconnected and it still did it. I examines all my hose connections, and all seemed tight. I opened up the filter and examined the motor assembly, and all the O-rings look to be in good shape...frankly I'm stumped. Filter still works, but it's completely obnoxious to listen to