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Ships within 48 hours · Estimated delivery Aug 17 - Aug 22
maintaining a clean and healthy fish environment has never been easier
use two or more in parallel
Display 1/4 130 watt 50' 15' dia x
wait for colour to develop
pH Pens by Hanna Degassing maintaining a clean and healthyThese easy to use pH pens from Hanna Industries are waterproof and will float. They feature automatic shut off, temperature compensation, replaceable electrodes, hold function, stability indicator and temperature readings in either C or F . Choose pen with sensitivity in tenths (98127) or hundredths (98128). Pens weigh only 3 oz, measure 7 l x 2 w. Use four 1. 5 V button cell batteries (included). Calibration solutions sold separately.
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