5 Simple Techniques For lifeguard vs attendant training

JamesW stated: Which has a swg and also a ta of eighty, there is not any basis for the ph being very low. Possibly he's not studying the ph accurately. A swg is mostly ph neutral. I never ever have to boost or decreased the ph with a swg pool after the ta is accurate.Take the Training: Get our lifeguard program which handles every one of the matter

read more