The Puffer Forum

Oops no nitrites are 0.25 ppm and Nitrates were 20 but post water change are 5 ppm

I have had a porcupine puffer for 2 years since he was a baby. He is now 6 inches long and has always been the pig of my tank. I have a 125 gallon with a 4 inch green bird wrasse, 5 inch vampire grouper, small skeletor eel and a 4 inch sting ray. For clean up, I have a chocolate chip sea star and a ...