Cal Spas LES - Regularity (Maintenance Schedule); Generic Names for Chemicals

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4.7 Regularity (Maintenance Schedule)4.7 Regularity (Maintenance Schedule)
Prior to each use Test the spa water. Adjust chemical levels as necessary.
Shock the water by adding ½ teaspoon of sodium dichlor per 250 gallons or 1
teaspoon of MPS per 250 gallons.
Aer each use Add an ounce of oxidizer aer heavy bather loads (see page 35 on shocking the
water).
Once a week Check the filter well and inside the filter pipe for leaves and foreign matter.
Test the spa water. Adjust chemical levels as necessary.
Shock the water by adding ½ teaspoon of sodium per 250 gallons or 3 teaspoons
of MPS per 250 gallons.
If your water source is high in calcium, add stain and scale preventer.
Every two to four weeks Deep clean your spa’s filter (see page 43). How oen you clean your filter depends
on how much you use your spa. There is no harm in frequently cleaning your filter
and will only help your spa’s eiciency.
Every two to four
months
Change the spa water. How oen you change the water depends on how much
you use the spa. When you change the water, you will need to:
• Clean and polish the acrylic surface (see page 46)
• Clean and treat the spa cover and pillows (see page 46)
• Deep clean the filter (see page 43)
• Refill your spa (see page 11)
Each time you refill the
spa
Follow the section “Filling and Powering Up Your Portable Spa” on page 11.
4.8 Generic Names for Chemicals4.8 Generic Names for Chemicals
Water Chemistry
Common name Usual chemical name Common brand names
pH Up sodium hydroxide pH Increaser, pH Up, pH Plus, pH Booster
pH Down sodium bisulfate
sodium bicarbonate (baking
soda)
sodium carbonate
pH Decreaser, pH Down, pH Minus, pH Subtractor,
Dry Acid
Alkalinity increaser sodium carbonate
sodium bicarbonate (baking
soda)
Alkalinity Increaser, Alkaline Up
Alkalinity decreaser sodium bisulfate Alkalinity Decreaser, Alkaline Down
Calcium increaser calcium chloride Calcium Increaser, Calcium Up, Calcium Plus,
Hardness Increaser
Calcium decreaser N/A To decrease calcium hardness, drain several gallons of water from the spa
and refill using a mixture of 75% hard water and 25% so water, or use a stain and
scale inhibitor.