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measure the alkalinity at the same time each day over a one- to two-week period to determine the required rate of alkalinity depletion
healthiest water
use within 1-year of purchase date
if you use a simple dechlorinator that only contains sodium thiosulfate
American Marine Pinpoint ORP Controller Seachem Scraper Cartridge measure the alkalinity at thePINPOINT ORP (REDOX) Controller is an inexpensive rugged controller complete with a platinum ORP probe. This device will automate another electrical device like an ozonizer or ozone generator. This full featured controller will accommodate an electrical device up to 3. 0 amps at 120 VAC. The PINPOINT ORP Controller is the perfect way to automate ozone in the aquarium. Available for 120 VAC or 230 VAC. Additional calibration fluid. Replacement ORP
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