ammonia, *update post 60*
Alright TPT I need some expert help on this one. This has got me stumped. I have been keeping fish for years and have never had an issue with ammonia until now.
Tank is a 33.6 gallon Mr. Aqua. Substrate is a half inch deep of flourite black.
It has been set up since july (over 3 months now).
Lighting is 2 bulb t-5 suspended 12" above tank.
Filtration is aquaclear 30 with fluval prefilter (filter media is standard sponge, standard biomax, and a bag of borneo humic)
Also using a sponge filter ATI Hydro 3 (not the pro) with a whisper 40 air pump.
5 peices of cholla wood, 4 anubias nana, marimo moss ball, softball sized portion of java fern attached to mopani driftwood, and 8 large Hyacinth floating plants.
Livestock includes about 6 snails and 30 crystal red shrimp of assorted size.
Parameters are as follows. (checked with several different and new API test kits)
ammonia: .5 ppm
nitrate: 10 ppm
temp: 73 F
water is with 100% RO/DI and remineralized with bee shrimp mineral GH+ (ro water has NO ammonia and is zero tds)
I have been performing 10 gallon water changes twice a week trying to keep the ammo and nitrate levels down.
What I dont understand is why there is ammonia present with such little bioload, so many plants with sufficient light, and IMO plenty of filtration (the HOB OR sponge SHOULD be sufficient by themselves for such a small bioload). Tank has been running for 3 months, but the filtration was pulled from a mature tank and has been cycled for years. I'm pulling my hair out on this one. Thing, is, the shrimp have been breeding like crazy and the shrimplets are surviving and growing quickly. I only feed a bb size piece of jakes veggie sticks once a week. I have identical filtration on several other tanks with much more bioload and there is zero ammonia in those tank. WFT!
Last edited by Blue Falcon; 10-09-2012 at 03:43 AM.
Reason: title change