Pool Types Compared
How chlorine, saltwater, bromine, mineral, above-ground, and spa maintenance actually differ, so you know exactly what you signed up for.
Every pool needs sanitizing, filtering, and balanced chemistry, but how you get there depends heavily on what kind of pool you own. A saltwater pool generates its own chlorine instead of having it added by hand. A bromine spa holds up to heat in a way chlorine doesn't. A mineral system leans on silver and copper ions to share the sanitizing load. An above-ground pool brings a smaller water volume and a UV-sensitive liner into the equation. None of these is more or less "real" maintenance, they're simply different systems with different weekly habits.
The most common confusion is assuming one pool type eliminates a task the others require. Saltwater pools still need pH and alkalinity checked regularly, since a salt cell only handles the chlorine half of the equation. Mineral systems still require a baseline sanitizer, just usually at the lower end of the normal range. Understanding what's genuinely different about your pool type, and what stays exactly the same as any other, is the fastest way to stop over- or under-maintaining it.
The six guides below cover chlorine, saltwater, bromine, mineral, above-ground, and spa/hot tub pools, each with what makes it distinct, who tends to choose it, and the misconceptions worth clearing up early.
Pool types covered
Chlorine Pool
A chlorine pool uses chlorine, added by hand, floating feeder, or automatic chemical feeder, as its primary sanitizer to kill bacteria and algae.
Saltwater Pool
A saltwater pool uses a salt chlorine generator to convert dissolved salt into chlorine through electrolysis, so chlorine is produced continuously on-site instead of being added by hand.
Bromine Pool
A bromine pool uses bromine instead of chlorine as its sanitizer, typically dispensed through a floating or in-line feeder as bromine tablets.
Mineral Pool
A mineral pool uses a mineral cartridge or system, typically silver and copper ions, alongside a reduced amount of chlorine or bromine to help with sanitizing, rather than replacing a sanitizer outright.
Above-Ground Pool
An above-ground pool sits on top of the ground rather than being excavated into it, typically with a steel, resin, or aluminum frame and a vinyl liner, and can use any of the standard sanitizer types (chlorine, salt, or bromine).
Spa & Hot Tub
A spa or hot tub is a small, heated, high-bather-load vessel, standalone or attached to a pool, typically run around 100-104°F, and often sanitized with bromine rather than chlorine because bromine holds up better at high temperatures.
Track this with Skimmer, log water tests, dosing, and equipment service in one place.
See pricing →