Who Gives A Fish Forums

That's a great setup. So, what's the deal with the tank underneath, is that a sump or something? And what happened to all your fish, did you rehome them or are they just hiding somewhere?

Test for nitrates. Even low levels can shorten lifespans long-term. My guppies started lasting way longer after I added more live plants and cut nitrate to under 10ppm.

Algae's a pain, but you gotta tackle it from multiple angles. What's your nitrate level? High nitrates feed algae like crazy. Also, what kind of filter are you running? A good canister filter with proper flow helps. I'd recommend adding some floating plants like Frogbit to outcompete the algae for ...

My 20 gallon tank has been overrun with green algae lately. I've tried reducing light to 6 hours a day, but it's still spreading. Anyone got tips that actually work?