KH difference in 2 tanks - The Planted Tank Forum
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post #1 of 2 (permalink) Old 12-09-2006, 09:49 PM Thread Starter
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KH difference in 2 tanks

In the past I assumed both of my tanks would have the same KH. But since I went to pressurized C02 I thought I would check both tanks c02 ppm. I found that my 29 gal tank with Flourite had a KH of 6 and my 10 gal tank with plain gravel had a KH of 5. I didn't think Flourite effected the KH. I just changed water in both tanks yesterday.

I just thought I would pass this along for others to read.

10 gallon hospital tank.
29 & 50 gallon - High Tech C02 enriched.
50 gallon Pond - Natural.
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post #2 of 2 (permalink) Old 12-09-2006, 11:02 PM
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Whenever I test my kh on different tanks I always get different results. I think it is just variation due to evaporation and topping off. I've seen variations as much as five degrees between two tanks that use the same water source.
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