|Re: Fish cycling cock-up!|
Subject: Re: Fish cycling cock-up!
by Fishlady on 31/1/2021 23:06:54
It's possible you have nitrate in your tap water (most of the UK does - mine is 40ppm). Test your tap water and get back to us on that. If your ammonia is at 4ppm (assume that's what you dosed) then the cycle isn't happening as yet, as ammonia would go down if the right bacteria were growing.