Below you will find definitions of some common terms defined to help beginners and seasoned Softubber's gain a better understanding of the science of your Softub Water. I have included products in some definitions to help you more.
Chemicals such as sodium bisulfate (pH & Alkalinity Decrease) or muriatic acid used to lower pH or alkalinity.
Microscopic aquatic plant life which can grow on spa surfaces or float in the water. Although harmless to bathers, algae discolors the water and indicates improper sanitization.
See Total Alkalinity.
Microscopic organisms continuously entering the water via bathers, airborne dust, etc. Without proper sanitization Softub and Hot Tubs are the ideal breeding ground for bacteria, many of which can cause disease or infection.
Water that is neither corrosive nor scale forming. Water with the proper relationships of pH, total alkalinity, and calcium hardness is said to be balanced.
Floating Bromine Dispenser
A floating device which holds Bromine Tablets and dispenses a metered amount of bromine sanitizer into the Softub water.
A sanitizing agent for Softub spas that kills bacteria and algae. The tablet form (Bromine Tablets)of this product is dispensed using a floating brominator. The granular form is added upon spa startup (initial filling) to establish an immediate bromine reserve (Sodium Bromide).
A measure of the amount of calcium dissolved in water. Water with low hardness can lead to corrosion of metal parts. Total Hardness test kits are available for checking hardness levels (AquaChek Select).
A sanitizing agent that kills bacteria and algae (Chlorine Sanitizer).
A special formulation for vinyl spa covers which prevents deterioration caused by sunlight and weather. (303 Protectant or Cover Care Cleaner).
To kill and inhibit growth of harmful microorganisms spa water through the use of a sanitizer such as chlorine (Chlorine Sanitizer) or bromine (Bromine Tablets).
Biodegradable proteins which break-down oils, films and digest scum in spa water (Leisure Time Enzyme).
A pleated, porous synthetic fabric in filter cartridges, used to trap foreign matter. Filter cartridges must be cleaned regularly with filter cleaning compounds to maintain spa water quality (Filter Revive).
The amount of chlorine available to kill bacteria or algae.
Wastes such as body oils, perspiration, & sun tan lotion residues that bathers introduce into the spa. Most organic wastes will not filter out and must be broken-down by shocking with an oxidizer (Shock Oxidizer).
A scale of the relative acidity/alkalinity of water. The pH scale runs from 0 to 14, with 7 being the neutral midpoint. A pH reading of less than 7 indicates water which is on the acid side of the scale. A pH of more than 7 is on the basic (alkaline) side. In spas, the acceptable range is between 7.2 and 7.8.
An acidic chemical used to lower pH or alkalinity (pH & Alkalinity Decrease).
A product which locks the pH of the Softub water into perfect balance for up to 3 months or until the next water change (pH Lock). After setting initial pH, use of this product eliminates the need for continual pH adjustment.
A base compound used to raise pH (pH & Alkalinity Increase).
Parts per million.
A compound such as bromine (Bromine Tablets) or chlorine (Chlorine Sanitizer) used to kill microorganisms in spa water.
Calcium crust or buildup caused by unbalanced water. These mineral deposits form on spa surfaces and clog filters, heaters, & pumps. The regular use of stain prevention chemicals can prevent scale formation (Metal & Stain Control)
Scale & Stain Preventer
A product which prevents the formation of calcium scale and stains on spa fittings caused from copper and iron plumbing (Metal & Stain Control).
An enzyme product which breaks down body oils, soap film and lotion residues in spa water
(Leisure Time Enzyme).
Common term for sodium carbonate which is used to raise pH of spa water (can use pH & Alkalinity Increase).
Water with very low levels of dissolved calcium. Can be corrected with Calcium Hardness Increaser.
Special perfumes designed to enhance the Hot Tub experience and overcome chemical odors. These are designed for spas and will not alter water balance or clog filters (InSPArations & Spazazz Crystals).
Application of large shock dosages of chlorine to destroy buildup of organic contaminates in water. The preferred alternative is to use a non-chlorine shock (Shock Oxidizer).
Easy-to-use dip strips for measuring the pH, total alkalinity, & sanitizer levels of your spa water. We also have strips available for testing water hardness levels (AquaCheck Select).
Total Alkalinity (TA)
The measure in PPM of all the dissolved base/alkaline material in the water. The acid-neutralizing capacity of water which indicates its buffering ability, or resistance to fluctuations in pH.