How-To Guides | Glossary - Hot tub and spa terminology defined
Hot Tub Glossary
Hot tub spa and pool terminology defined. A glossary to help both novices and seasoned hot tub enthusiasts understand terms and lingo used in the spa world.
A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X|Y | Z
A
Acid
Acid Demand
Acrylic
Air Buttons
Air Lock
Air Switches
Algae
Algae Spores
Algaecide
Alkalinity
B
Bacteria
Balanced Water
Base
Bather Load
Biofilm
Break Point Chlorination
Broadcast
Bromamines
Brominator
Bromine
BTU (British Thermal Unit)
Buffer
C
Calcium Carbonate
Calcium Chloride
Calcium Hardness
Calcium Hypochlorite (Cal Hypo)
Carbonates
Cartridge Filter
Cavitation
Chelating Agent
Chine
Chitin
Chloramines
Chlorine
Circuit Board
Clarifier
Combined Chlorine
Contactor
Corrosion
Cover Protectant
Cover Removal Device
Croze
Cyanuric Acid
D
Defoamer
Disinfect
Dichlor
Diverter Valve
Draft Hood
Dry Acid
E
Efficacy
Effluent
Enzymes
Equilibrate
F
Flocculent
Flow Switch
Free Chlorine
G
Ground Fault Circuit Interrupter (GFCI)
Grounding
Gunite
H
Halogen
Hard Water
Head
Heater Element
Heater Manifold
Heat Exchanger
Hertz (Hz)
High Limit Switch
Hoops
Hot Tub Folliculitis
Hydrogen Peroxide
Hydrotherapy Jets
Hypobromous Acid
Hypochlorous Acid
I
J
K
M
Make-Up Water
Monopersulfate Compound
Muriatic Acid
N
O
Organic Contaminants
ORP
OTO
Overflow System
Oxidizing
OxySpa
Ozone
Ozonator
P
Peroxide
Peroxymonosulfate
pH
pH Buffer
pH Decreaser
pH Increaser
Phenol Red
Potassium Carbonate
Potassium Monopersulfate
PPM
Precipitate
Pressure Switch
Pseudomonas
Q
R
Relay
Return Inlet
Roto-Molding
R-Value
S
Safety Cover
Sanitizer
Scale
Scale & Stain Preventer
Sequestering Agent
Shock
Skimmer
Soda Ash
Sodium Bicarbonate
Sodium Bisulfate
Sodium Carbonate
Sodium Dichlor
Sodium Hypochlorite
Soft Water
Spa Fragrance
Spa Pack
Stabilizer
Staves
Suction Outlet
Superchlorination
T
Test Kit
Test Strips
Thermostat
Timer
Titanium Heater
Topside Controls
Total Alkalinity (TA)
Total Chlorine
Total Dissolved Solids (TDS)
Trichlor
Turbidity
Turnover
U
Ultra Violet (UV)
Urethane Foam
V
Vacuum Ultra Violet (VUV)
Velocity
Volute
Venturi
W
Watt
Weir
Winterizing
Working Pressure