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Hydro Spa Mark lll - Water Quality and Maintenance; Your Water in Your Spa

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The following steps should protect your spa from freezing:
Disconnect the spa from the power supply.
Remove the screws holding your spa access panel door.
Open the valve and the spa will drain by gravity flow.
Remove the filter cartridge, then clean and store in a dry place.
Attach a wet/dry shop vac (capable of blowing air as well as vacuuming) into the filter housing.
Turn blower on and allow it to blow out any water remaining in the plumbing lines. (Should take no
more than 5 minutes).
Reinstall the filter housing.
Use the shop vac to remove water inside spa blown through jets.
Use a shop vac and clean towel and remove any remaining water from bottom of spa until dry.
Vacuum water from blower injectors.
Leave the drain open.
Close the spa cover and fasten with tie down safety locks.
Your Water In Your Spa
The quality of your water in your spa is important. Your dealer can guide you through the process of
achieving and maintaining perfect water in your spa in your given local conditions. Your program will
vary depending on your water’s mineral content, and how often you use your spa, and the amount of
people using it.
Here are our suggested step-by-step procedures:
General Information - The three fundamental areas of water maintenance.
* Water Filtration * Chemical Balance/pH Control * Water Sanitation
A water sanitizer will chemically control the bacteria and viruses present in the water introduced dur-
ing the use of the spa. Bacteria and viruses can grow quickly in undersanitized spa water.
The water’s chemical balance and pH control are also your responsibility. You will have to add
chemicals to maintain proper levels of Total Alkalinity (TA), Calcium Hardness (CH) and pH. Proper
water balance and pH control will minimize scale buildup and corrosion of metals, extend the life of
the spa, and allow the sanitizer to work at maximum efficiency.
Methods For Testing Spa Water
Accurate water testing and analysis are an important part of effectively maintaining your spa water.
You must have the ability to test for:
Total Alkalinity (TA)
pH
Calcium Hardness (CH)
Sanitizer
SPA CARE AND MAINTENANCE
WATER QUALITY AND MAINTENANCE