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Mark I
10/17/2009, 08:11 PM
Can you test alk concentration of two part with Kh kit? I let my ro unit overfill may two part alk container for 5 minutes or so. I'm sure its somewhat diluted. I would scrap and remix but I don't have any more, I do have some Seachem reef builder I could boost with if I could test.

Randy Holmes-Farley
10/18/2009, 08:17 AM
You can, but it is super high. You'll need to dilute it incredibly. My DIY Recipe #1 is 1,900 meq/L (5,300 dKH).

Dilute by a factor of 1000 before testing. That is, 1 mL in 999 mL of RO/DI. Then multiply the answer by 1000. (or maybe half that if it diluted a lot in the overflow setting)

Mark I
10/18/2009, 11:11 AM
Thanks. I followed your instructions and came up with 6 dkh x 1000 = 6000. So I should still be ok the way it is. I'll just watch my alk every few days and adjust dosing if necessary

Randy Holmes-Farley
10/18/2009, 12:24 PM
Sounds good! :)