Refractometer/Hydrometer/GHL - Canreef Aquatics Bulletin Board

#10

04-05-2012, 07:07 AM

chandigz

Member

Join Date: Oct 2008

Location: nanaimo bc

Posts: 257

Quote:

Originally Posted by airdrie5

I am having some serious measurement reading issues on my refractometer, hydrometer, GHL Profilux 3.

First I calibrated the refractometer with clean ro/di, freashwater (TDS 134) and set it at zero..

A TDS of 134 is really high for ro/di. It should be closer to zero. It could be throwing off the calibration.

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2x250 14000k phoenix hqi 2x96 pc actinic, 50x flow

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