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A hot tub is an excellent way to de stress after a long, hard day. The therapeutic effects of hot water have been known since the times of the Romans, and soaking in hot water can alleviate all sorts of ailments from arthritis to high blood pressure to diabetes. Hot tubs aren’t particularly expensive to operate, but there are some typical hot tub costs to be aware of.


Power is the one most people don’t really think of when they consider a hot tub. As in a pool, daily circulation of the water is encouraged to make sure that stagnation doesn’t occur. Whenever water doesn’t move, bacteria and algae flourish and it doesn’t take long to turn a sparkling hot tub into a green cesspool. The water is also heated and creates the perfect environment for algae to flourish if left unchecked. Bathers also release a slew of body oils and impurities that pollute the water, and thus, circulation will need to happen to make sure that the water is turned over frequently. Running the tub and soaking in it accomplishes this goal nicely. One of your larger monthly costs, therefore, will be running the pump motor, especially if you use the tub daily.


Natural gas or propane is another significant cost because most hot tub heaters are run off of one of those gasses. The heater is simply a propane or gas fired burner system that heats up a manifold which the water is pumped through. Depending on how large the hot tub is volume wise, it may take as little as 20 minutes to heat the water or as long as a couple of hours, and this requires significant amounts of energy to do so, resulting in a healthy gas bill every month.


Typical hot tub costs are comprised of a couple other things, all of which are more minor than the usual culprits of power and gas. The largest single cost besides those one will be spa chemicals. Besides circulation of the water, a sanitizer needs to be added in the form of a chemical to kill bacteria and algae, as filtration alone will not accomplish this goal. Sanitizers are things like chlorine and bromine, and are applied directly to the water. Chlorine, the most common sanitizer, is applied as a liquid or tablet form and is relatively inexpensive. Bromine is also a solid or liquid, and is more appropriate than chlorine for hot tubs since it handles temperature better.


The list of spa chemicals finishes up with acids or bases to control the pH and alkalinity of the water, as well as chemicals to control the water hardness. pH is critical in a spa since if the pH is off, the sanitizer doesn’t work as well and algae blooms could be the result. Water hardness is the degree of minerals present in the water and especially hard water in a spa is very damaging as it affects the jets, motors, pumps, and seals adversely by causing premature corrosion.


Filtration is the final typical hot tub cost and there are several options available here from diatomaceous earth filters, especially when linked to a pool system, or cartridge type filters. Changing the filtration in a spa is an infrequent process and not especially expensive.


Besides those things, typical spa costs are minor amounts of water to compensate for water evaporation and splashing, and a few other extremely minor costs. All in all, a spa is an incredibly inexpensive proposition considering how much relaxation and enjoyment your family will get out of it, as well as the inherent health benefits.


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