05-08-2010, 10:10 PM
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Alkalinity is not pH. A lot of people get mixed up because above 7 on the pH scale is called basic or alkaline. Alkalinity refers to the general hardness of the water (gH). Calcium levels (kH) are included in this. So you could have 14 dgH and 4 dkH. The d stands for degrees. If you get a test kit that measures in ppm, please note that 17.9 ppm is equal to 1 degree. I hope this information helps :)
Also, I think your 8.2 is good, but what do I know? :)
Alsooooo, I thought when you have a diatom bloom you are supposed to add the cuc. I figured it would be a good time to add some of the cuc since the snails and crabs and shrimp, etc, would have algae to eat. I'm not telling you, tukgirl, to go and get a cuc, because again I am not sure about this, a more experienced member can really help you with this.
Good luck :)