Pool Line Checker- Alkalinity Chemicals • Temperature range -5

•    Temperature range  -5

energy-saving supply and exhaust ventilation for homes

This will enable you to clean your Spa Filters without interrupting the Spa filtration cycle

Please note that the nozzle can be moved to suit preferred direction

continue to use the outdoors well in to the late evening and benefit from the warm glow of the heater

Pool Line Checker- Alkalinity Chemicals • Temperature range -5HI 7754 The HI 7754 is a simple and cost effective way to measure alkalinity in freshwater, providing results in four easy steps. Features: Specifically for alkalinity More accurate than chemical kits Large LCD Small size, great convenience The manual can be found here.