Troubleshooting

What colour are the Stains:

o Black – caused by OXIDISED COPPER
o Turquoise-Blue – caused by COPPER
o Rust-Brown – caused by IRON
o Coffee brown or Violet Purple – caused by MANGANESE

1. Determine Cause:

o Incorrect water balance
o Metal equipment e.g. Cast iron pumps and motors, metal piping.
o Use of products containing metal.
o Use of borehole water.

2. Add BioGuard Pool Magnet to pool

Initial treatment:

o 250 ml per 10,000 l of pool water when chlorine levels are at 1 ppm.
o Do not shock dose with chlorine for 7 days.
o Brush stains daily for 7 days.

Maintenance:

o 25 ml per 10,000 l of pool water weekly.
o Brush pool surface frequently.

3. Use BioGuard Sparkle Up to trap and filter out metals.

4. Correct water balance.

Also refer to scaling

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