add after cycle

I’ve been doing a fishless cycle for about a month and a half and I finally got three new mollies in the 20gallon tank! When I first put them in the tank ammonia was 0 the next day but I had nitrites fluctuating between 0.25 and 0.5. I did a big water change two days in a row and skipped a day...

I'm doing a fishless cycle of a new 29 gallon tank.  Tank has been set up 26 days.  My current reading is:   Ammonia = 3 Nitrite=.25   I last added ammonia 2 weeks ago.   I'm expecting it to cycle anytime.  We're planning a dwarf puffers tank and maybe a couple of small plecs or otos.   but I'm...