Quote:
Originally posted by Mr. Ugly
Hmm... going from memory, I'm getting pretty much those numbers too. Salifert for alk and Mg, and Seachem for Ca.
I hadn't seen any complaints from others. I thought my test kits might have gone bad, or that I was going crazy. I'd remembered better Mg and Ca than that from RC.
Bar codes etc on the side of my bucket read:
1 00 51378 01706 7
and
51378 01706
RC1-160P 03/05
P/N 4808
Does any of that info relate to batch code?
I bought several buckets earlier this year through DFS. I just got a couple new buckets too. I guess I should open one and test.
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Mr. , First let me say this is only my opinion from my many hours of testing different brand calcium test kits.
The Seachem Calcium test kit reads about 70 ppm low when compared to other test kits I have used. So your numbers don't surprise me.
Try an API kit (very inexpensive but accurate) or a Salifert kit and I believe you will see calcioum numbers between 420 and 430 ppm.