The HI755's 0-300 ppm range covers the full spectrum of reef tank alkalinity levels for precise monitoring

Protect your investment with a case built to Milwaukee's exacting standards

Quick Cal Mode enables the user to attain a fast

Immerse probe in pH 7

Manor Trio System - Iron + Sediment Replacement Cartridges - NuvoH2O hydroponics TDS The HI755's 0-300 ppm rangeProduct Details Manor Trio System Sediment & Iron Replacements Cartridges Ensure your homes water is soft and tastes great with the replacement cartridge and filter for your Manor Trio System. The Manor Trio System cartridge and filters should be replaced every 50,000 gallons or every 6 months. This cartridge is intended to be used in the NuvoH2O Manor Trio System and will not perform in any other system. Specifications NuvoH2O Manor Trio Replacement