Fishless cycle with food

midnightmadman

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Dec 21, 2005
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Anyone have a ruff idea on how much fish food I should put in a 90 gallon to do a fishless cycle? I was thinking maybe 2 tsp. fist day and maybe 1/2 every other day?
 
I've done it, but not with that much food. The base idea is just to get a source of ammonia. No matter which way you cycle (unless you have used filter pads etc). Rotting fish food creates ammonia. But I've also never cycled that large of a tank either! I usually just toss in a few shrimp pellets. Wait a few days. I don't think you'll need to add food every day. With no one eating and just adding more, I would think the end result would be some very nasty substrate etc. Maybe just start with one teaspoon and see how it goes.
 
Yeah this is the first time I was going to try it without the old 'sacrifice' fish method. All of my last 20+ years of aquarium keeping I always did it the old school way.
 
Yeah, I have only done fish cycle's when I didn't know what cycling really was. I either do the food method (which I'm doing right now on a 5g) or transfer of used media. I've also done where you can put used gravel in panty hose, which I dont have so I just used a ziplock bag with lots of holes punched in, and put that in the aquarium for awhile.

Good luck!
 
If you are starting from scratch, I'd start with a pinch and work up to about what you plan to feed your (future) inhabitants.
Lots of variables. Temperature. Adding plants? Seeding bacteria. Etc.
 
I'd use a test kit and monitor ammonia levels....
 
Thanks. I threw a bottle of API Quick Start in also. I have been just adding a pinch of pellets every few days. Ammonia is at 1.5- 2 right now
 
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