Gas and lots of it
I recently set up my tank with an inch and a half of Miracle Gro topped with Ecco complete. Ammonia shot up without me adding any, but what followed was a fairly normal if fast cycle (I used established filter materials); it took 2-3 weeks for everything going back to zero.
The tank is cycled now and has plants and fish. But there is a lot going on in the dirt. Lots and lots of gas bubble, and when I poke the substrate, a lot comes up. The smell is somewhat foul but relatively faint. The tank itself smells fine.
Is this all normal?
Pimp Club Member #313