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Sera KH/GH

1096 Views 1 Reply 2 Participants Last post by  fwdixon
didnt know where to post this.
does anyone use sera KH and GH test kits? i just ordered some from, and was wondering about their accuracy... i also read on another thread that someones phosporous and nitrogen froze while being delivered.... if my test kits come frozen will they still be ok to use or will it ruin them?
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not sure about the freezing part, but the sera kits are at least as accurate as the Tetra kit I used to use.
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