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Cycle
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Barney
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Joined: 21 Aug 2003

PostPosted: 2003.08.31(Sun)18:17    Post subject: Cycle Reply with quote

Hey,
Could someone please tell me where abouts I am in my cycle. I am doing a fishless cycle, and not adding ammonia, but adding fish flakes now and then.

My readings;

Alkalinity = 240 ppm
Nitrite = 0.5 ppm
Nitrate = 20 ppm
pH = 8.2

(Is ALKALINITY Ammonia? It isn't is it ? I forgot to pick a test kit for Ammonia. Am down the store tomorrow, so will have to pick one up.)

Thanks.

Barn.
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uLtRa
Regulars


Joined: 11 Apr 2003
Location: Southend, UK

PostPosted: 2003.09.01(Mon)3:30    Post subject: Reply with quote

Not sure about your stage in the cycle but alkalinity is not ammonia.


It is to do with the pH scale with 1 being very acidic, 7.5 being neutral and the maximum (can't remember it!) being alkaline. Your pH is 8.2 which means it is alkaline, each step up the pH scale is 10X more acidic/alkaline, so eg your h of 8.2 is 10X more alkaline than 7.2 which is why it is very stressful for fish to have big pH changes.
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