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magnesium sulfate
The HI713-25 are the replacement reagents for the HI713 Phosphate Low-Range Checker® HC
OCTO Pulse+ Wave Pump Item # Product Maximum Flow Rate Power Tank Water Volume Suggested Tank Size Max Wall Thickness LPH GPH w L US GAL cm in mm in 9010407009 OP-2+ 6000 1585 5-10 80-300 21-80 40-100 16-40 12 1/2 9010408009 OP-4+ 17000 4490 11-32 300-1800 80-475 100-180 40-71 15 5/8
it is best is to add +/- 3gr (1 teaspoon) of sodium-bicarbonate (backing soda)
Temperature: 77 - 86 F (25 - 30 C)
Hanna HC HI772-11 Calibration Set - Marine Alkalinity ® cycling magnesium sulfateThe Marine Alkalinity Checker HC Calibration Check Set HI755 11 provides a simple solution to validating the Marine Alkalinity Checker HC HI755 that has a range of 0 to 300 ppm CaCO3. This high quality set of standards is manufactured in our state of the art facility and comes supplied with a Certificate of Analysis. The Certificate of Analysis provides the lot number, reference values and expiration date for traceability when certifying the
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