DaveDe Posted October 3, 2012 Posted October 3, 2012 cheap hydrometers aren't worth much. Maybe I'm wrong - but I'm only four weeks in and it's giving me readings that I don't believe are accurate, plus they fluctuate if I tap it (and no bubbles are floating off). So am I doing it wrong or was my first mistake buying the cheapest thing available? In the beginning my tank was around 1.023, now I'm seeing it rise to 1.026-1.027. I've only been adding fresh RO water due to loss via evaporation so it shouldn't be going up. Oh wait, other factors. Think I'll reread that section.
patback Posted October 3, 2012 Posted October 3, 2012 Justgo to Bulkreefsupply.com and pick up a refractometer for 40 bucks. They're so much better and easier to work with.
DaveDe Posted October 3, 2012 Author Posted October 3, 2012 Yay, that's the answer. I didn't want to give the spouse a heart attack when I bought the start up gear initially and so......but I figure there's some other folks who can relate.
Swanwillow Posted October 4, 2012 Posted October 4, 2012 I've never had good luck with swing arm hydrometers. I did use the glass bob up and down ones with luck for a long, long time... But now I got a refractometer. VERY worth it
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