How To Start Up Your Spa or Hot Tub

Written by:  Danny Rhodehamel
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 (3.75 OUT OF 5 STARS ON 4 RATINGS)

Spring is here and the snow is gone. It may be too cold for the swimming pool, but the weather is just right for the spa. Opening/starting-up your spa properly using these steps will ensure you will enjoy it as it should be enjoyed.

Tips & Warnings

Things You'll Need

Step by Step

Step 1

When you're ready to open the spa for the season, begin by clearing off any water and/or debris off of the cover. Once the cover is clear, clean it with a solution that is safe for the cover (check the paperwork that came with the cover) and allow it to dry. Once it has dried, you can remove and store the cover.

Step 2

Once the cover has been removed, raise the water level, if necessary, to the recommended level. Now is a good time to insert a clean cartridge or clean the old one (if applicable).

Step 3

Once the correct water level has been reached, start up the pump and filter and it allow it to run while checking for leaks in the pump or plumbing. If there are no leaks present, continue to let the pump run for at least an hour. If there are leaks present, mark them, then turn the pump off while repairs are made.

Step 4

After the spa water has circulated for at least an hour, I would recommend using a sequestering agent or metal remover. Metals are present in tap water and should be neutralized before the chemicals are adjusted.

Step 5

After allowing the metal remover to circulate in the spa for at least 4-6 hours, take a water sample (approximately a foot down) to be tested. The 4 most common chemicals tested in a spa are chlorine/bromine, pH, alkalinity and calcium hardness. If you are using an alternative sanitizer, the chemicals needed for start-up will vary.

Step 6

Once the water results have been determined, you may begin adjusting the chemicals. Make certain that you are following the manufacturer's directions to ensure that the chemicals are being added properly. I would recommend adjusting the calcium first then allowing at least 12 hours before adjusting the pH or alkalinity.

Step 7

You are now ready to adjust the pH or alkalinity (or both) depending on your results. If both are low, I recommend adjusting the alkalinity first. The increase in alkalinity will slightly increase the pH as well.

Step 8

Once the pH and alkalinity have been adjusted, you can add the sanitizer. If you are using chlorine, you would follow the product labels and add the granules directly to the spa water. If you are using bromine, you would use Bromine Start, to establish a "reserve" before adding the bromine tablets in a floater or dispenser in the spa. Sodium bromide is typically added at a rate of 1/2 oz. per 100 gallons of water.

Step 9

The last step in spa start-up is to shock the water. Whether you are using chlorine or bromine, an oxidizing shock should be used before or after a heavy bather load or at least once a week. The oxidizing shock will eliminate odors and organic build-up in spa water.

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Thanks, this is very helpful

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Please Note:

Inyo Pool Products is not responsible for any injury or damaged equipment
while using our guides. Using our guides is doing so at your own risk.
These guides are suggested use of your pool or spa equipment and may vary
depending on which product you are using.