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YYeller989 reacted to Buggsw's post in the thread CYA test ~~ Trouble with view tube DOT ..... with
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It is the most difficult test to master, so don't feel alone. After years of doing it, I still question myself and I do trust my local... -
YYeller989 reacted to mknauss's post in the thread Needed to order replacement CYA viewing tube for my TF-Pro test kit.... with Like.
You can use it. It just takes more water sample and CYA reagent. Use 15 ml of each. The smaller tube was initiated for the TFPro. The...
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