alkalinity monitor

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    Reef factory KH keeper Plus vs DD KH manager

    Hi just wondering has anyone used these devices ? I’m thinking of buying one and I’m a bit sceptical on the accuracy and precision as I own a reef factory smart tester (which almost crashed my tank with its phosphate readings). From what I read the keeper plus is a big step from standard RF...
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    Simple DIY Automatic Alkalinity Tester - Phase #1: testing drop count

    Starting a new project for Simple DIY Automatic Alkalinity Tester for a common man with can be created and printed easily with minimum cost. Currently starting with: -Api KH bottle -Speed Sensor Module - https://www.aliexpress.com/item/32986575618.html?spm=a2g0s.9042311.0.0.26c94c4dlCiga1...
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    New Jersey FS: Used GHL KH Director, Black with New 1000ml Reagent Bottle and Water Filter

    Hello, For sale is a GHL KH Director in black with extras. Usage Description A second wider gasket was used in order to prevent water leakage where the PH probe screws into the KH Director. An original gasket or screw cap can be purchased directly from GHL to fix the issue, but I was too lazy...
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