POSSIBLE CAUSE

SOLUTION

Build-up of un-filterable material

Excessive organic contaminants or lack of sanitizer

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

pH and total alkalinity out of balance

Test water and adjust pH and total alkalinity levels as necessary using Spa Up or Spa Down.

Dirty filter

Use Spa Cartridge Filter Clean on a monthly basis.

Calcium too high

Use Spa Defender on a weekly basis.

POSSIBLE CAUSE

SOLUTION

Low alkalinity level

Use Spa Alkalinity Increaser.

Low sanitizer level

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

POSSIBLE CAUSE

SOLUTION

Dissolved copper or iron in spa water

Add Spa Metal Gone to sequester minerals in the water. Check pH.

POSSIBLE CAUSE

SOLUTION

Iron or manganese dissolved in water

Add Spa Metal Gone to sequester minerals in the water. Check pH.

POSSIBLE CAUSE

SOLUTION

High mineral content in water

Use Spa Defender on a weekly basis. Check water balance and adjust as necessary.

POSSIBLE CAUSE

SOLUTION

Combined chlorine level is too high or excessive organic contaminants in spa water

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

pH and total alkalinity out of balance

Test water and adjust pH and total alkalinity levels as necessary using Spa Up or Spa Down.

POSSIBLE CAUSE

SOLUTION

Excessive organic contaminants

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

POSSIBLE CAUSE

SOLUTION

Oils, lotions, and detergents from bathers have caused build-up

Use Spa Scum Gone on a weekly basis.

POSSIBLE CAUSE

SOLUTION

Oils, lotions, and detergents from bathers have caused build-up

Use Spa Foam Down. Shock treat with Renew or OZ Tabs.