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Old 07-18-2013, 04:41 PM   #1
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HELP!! Is my cycle complete?

FIRST FOWLR TANK!!!!
I have been cycling my 55 gal tank for a good 4 weeks now with live rock (60lbs) and live sand (20lbs 2 inch sand bed). I have been doing 20% water changes weekly with RO/DI system. Last week I had a raw shrimp in there just to be sure my ammonia was at its highest. During the week I had the raw shrimp in there, this is what my levels were:
Ammonia: .5 ppm
Nitrates: 40 ppm
Nitrites: 5 ppm
ph: 8
Salinity: 1.026

Just last night I took another level reading:
Ammonia: 0 ppm
Nitrates: 40 ppm
Nitrites: .25 ppm - color on my test kit looked closer to 0 but wasn't positive
ph: 8
Salinity: 1.025

Am I good to start adding fish yet? Cleanup crew? or are my nitrates too high? I bought dry live rock from BRS so No algea growth on anything yet. Any advice or input would be much appreciated.

Thank you!
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Old 07-18-2013, 10:12 PM   #2
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Pretty close it think. You are not really supposed to do water changes during the cycle, it delays the process a bit. You do need 0 nitrites so wait until that goes down then stock slowly. One, maybe two fish to start with a couple of weeks in between
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Old 07-20-2013, 10:05 AM   #3
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+1 wait till levels drop to 0. Than I would still wait another week or two when the do. Just to be safe and retest water levels. You still will prob have a algae bloom after cycle is done.
Better safe than sorry, and cheaper.
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Old 07-20-2013, 12:57 PM   #4
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I'd complete the cycle and then do a 20gallom water change and see if the brings your nitrates down. I like to be less than 10ppm on nitrate tests. Keeps everything happier. Think of nitrates as pollution in you water. The lower the better.
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