Checking the free and total chlorine range for one of the meters listed above is quick and easy with the HI93414-11 CAL Check" Standards

SPECIFICATION

the MA9015 Storage Solution and MA9011 electrolyte refilling solution all designed to keep your electrode in top performing condition

Insert the new Seychelle pH2O filter

Boiler water monitoring

Pump Marvel Garden Hose Vacuum Pump | No Electricity | Drains Spas, Pools & Basements to 1/8" three-point calibration Checking the free and totalPump Marvel The Garden Hose Powered Vacuum Pump That Drains Spas, Pools & Basements to 1 8" Pump Marvel is a true pump not a siphon. Powered entirely by your garden hose water pressure, it requires no electricity, no moving parts, and no priming. Every gallon of hose water that enters Pump Marvel draws up to 3 additional gallons from the vessel being drained and ejects 4 gallons out of the discharge hose draining 13 times faster than siphoning or