How Much Chlorine to Sanitize a Spa?
Pressurized jets relay water throughout a hot tub, massaging the body and creating bubbles to relax the user. The addition of chlorine and other chemicals is essential due to the elevated temperature of the water, which can often exceed 100 degrees. Chlorine can prevent bacteria from growing in this inviting environment. Does this Spark an idea?
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Features
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One-piece fiberglass and plastic hot tubs became popular in the 1980s. By molding the materials, manufacturers create different combinations for seating. Housed under the basin are the plumbing, pipes and wiring for the hot tub, including the filtration system and water heaters. A decorative skirt is usually wrapped around the spa to protect these parts.
Use and Care
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Hot tubs range in size from 100 gal. to 1,000 gal. When turned on, water circulates constantly through the system. The electrical components and heating elements use much more energy than other household appliances. Regular use of the spa adds noticeably to your monthly utility bill.
The warm water in the tub provides an ideal habitat for microorganisms and mold. Liquid or solid chlorine kills most bacteria and keeps the water clear. Chlorine can be purchased at pool and spa stores and major retail chains.
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Safety
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The size of your spa determines how much chlorine to add to keep the water clean without harming the skin of spa users. According to The SpaCyclopedia, the recommended amounts of chlorine in ounces per gallon are: 2.5 to 100, 6.25 to 250, 12.5 to 500, and 25 to 1000. Solid, or powdered, chlorine should be dissolved in a bucket of water before putting it in the spa; chlorine deposits could harm the shell of the spa if they sit for too long without dissolving. When treating your spa with chlorine, wear gloves and old clothes. Raw chlorine will burn the skin and bleach clothing.
Maintenance
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Chlorine eventually dissipates from the water. Test kits and strips easily measure the amount of chlorine in the water with color indicators. Depending on how often the spa is used--and if it is covered--will determine how often chlorine needs to be added. Spa owners should regularly test the amount of chlorine weekly.
Considerations
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To keep the water clean and the chlorine level high, keep a cover on the spa when it is not in use. Direct sunlight can essentially burn away chlorine in the spa. To save on energy costs, the temperature should be lowered when the spa is not in use.
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