Ive always had the same problem with the hanna regardless of wiping down the glass tubes or not. I havent used it because of this for quite awhile. Interested to hear what others say.
EDIT - 3 mins max? Hm that could have played a part, I dont remember if i was that fast or not.
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- 33 Gal - 20Gal Sump, MP10/Hydor Powerheads, Aquaticlife 4x T-5HO, Vertex IN100, TLF w/Biopellets, Tunze ATO
-45GAL Build in Progress!-
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