iceywater101
Aquarium Advice Activist
I have a 20 gal tank with an over the top power filter water temp is 78 and ph is 6.8 I have 5 zebra danios and have been trying to cycle my tank for over a month and my ammonia test kit has been reading 4 mg/la and I cant get it to go down if anyone has any idea why please help if more info is needed please ask