H
Head pressure - 1) Level of PH in your pool water – how corrosive it is 2) Liquid you put in your pool to make water chemistry corrections
Heater - Equipment used to heat water in the pool and/or spa.
Hypochlorous acid - Bacteria killing chlorine.
I
In-Floor Cleaning System - A system of pop-up jets in the floor of a pool that direct settled debris to an active drain for removal.
Inlet - A pvc fitting in the side of the pool which returns water from the equipment pad.
Ion generating system - A sanitizing system that utilizes copper abd silver ions to sanitize the pool. This system does require chlorine shock.
Iron - Metal that can form in pool water. May produce brown or rust color stains.
