Greetings All, I have been doing a fishless cycle on my IBC system for the last 13 days. Ammonia came down, nitrites went way up and I started seeing a bit of nitrates. Today I checked my water. All are down to ZERO.
Not really sure what happened. Anybody have an idea? I did use PH up to bring the PH back up from 6.0. Hasn't bothered it before.
I am using a hydroponic PH called PH UP. I did ad more ammonia yesterday after the zero readings. The ammonia up to now had been running between 4 & 5 without adding any additional. I did use city water to top up.
Alex,
I do have a few plants in the system. Herbs, peppers, cukes. I added a couple of teaspoons yesterday. System is about 550 gallons with FT, beds and sumps.