YSI Silica HR Citric Acid Replacement Powder Pack, 10 mL, 100-Pack free chlorine 1-year Polarographic / 6-month Galvanic

1-year Polarographic / 6-month Galvanic sensor warranty

A single inflation line runs from the surface hand pump to the lower packer and jumpers up to the upper packer

The Rugged BaroTROLL measures and logs barometric pressure and temperature to compensate the Rugged TROLL 100 and 200's non-vented (absolute) water level data for barometric fluctuations

Note: Cable and communication accessories sold separately

YSI Silica HR Citric Acid Replacement Powder Pack, 10 mL, 100-Pack free chlorine 1-year Polarographic / 6-month GalvanicSilica HR Citric Acid powder pack replacement reagent, 10 mL, pack of 100. Used with: Silica HR reagent