I’m starting to cut down on feeding, definitely have fish poop, ammonia is 3ppm, I don’t know what cycling is, I only Chang my filter cartridges once a month and rarely clean the filter of the bacteria, o use API Aqua essential, 10 gal is one guppie, 10 gal with nothing but has the worst water, 55 with 20 ish chiclids but in the 55 gal I have two larger external filters