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Spa Chemical Troubleshooting Guide

Use this handy guide to find your specific problem and resolve it with appropriate chemicals or other remedies. You can avoid major hot tub repairs by consulting our troubleshooting guide when a problem initially arises and by maintaining a proper balance of chemicals at all times.

PROBLEM
CAUSE
SOLUTION

Cloudy Water

Excessive organic contaminants or lack of sanitizer

Buildup of unfilterable material in spa water

PH or total alkalinity out of balance

Dirty filter

Calcium too high


Shock with Renew or OZ. Check and adjust sanitizer level.

Use Bright & Clear.

Test water and adjust pH and total alkalinity as necessary using Spa Up, Spa Down or Alkalinity Increaser.

Use Instant Cartridge Clean on a monthly basis, or use Filter Clean for deep cleaning.

Use Defender on a weekly basis.

Chalky, white scale deposits (Calcium buildup)

High mineral content in water

Water out of balance


Use Defender on a weekly basis.

Check water balance and adjust chemicals as necessary.

Cloudy green water

Low sanitizer level


Shock with Renew or Oz. Check and adjust sanitizer level.

Clear green water

Dissolved copper or iron in spa water

Add Metal Gon to sequester minerals in the water. Check pH level.

Brown water

High iron or manganese content


Add Metal Gon to sequester minerals in the water. Check pH level.

Odor

Excessive organic contaminants


Shock with Renew or Oz. Check and adjust sanitizer level.

Eye/Skin irritation

Chloramines or excessive organic contaminants

PH or total alkalinity out of balance

Shock with Renew or Oz.

Test and adjust pH and total alkalinity as necessary.

Scum deposit on waterline

Oils, lotions and detergents from bathers have caused buildup

Use Enzyme on a weekly basis.

Excessive foaming

Buildup of body oils, cosmetics and detergents from bathers

Calcium Hardness is too low

Large amount of Total Dissolved Solids in spa water

Add Foam Down. Shock with Renew or Oz

Add Calcium Booster to obtain 150 400 ppm calcium level in the water.

Change spa water.


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