Awhile back I bought a couple of these - figured WTH, its pretty cheap. With the same water sample, I get 2 very different readings with 2 brand new units. So, take your $.72, you are getting a far better deal in my opinion.
Well, I immediately rinsed mine with RODI after testing my salt water. If anyone really wants one I'll trade a frag of something for it. I get my water from my LFS and if it's not good then I'll either deal with it or get out of the hobby. It's already a pain to lug water jugs around. I'm not going to be using this thing at all.
Did you guys put the new batteries in once you got it? The batteries that were in mine were dead, so i put the new ones in right away. Mine is working fine and it's good to know how good my tap water and ro water is.
I'll take some of that cyano in your gallery. JK I'll take what ever you think is fair. Remember it's only $.72. I think something along the lines of this is perfect for my $.72 purple heart staghorn
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