Lo-Chlor Black Spot 900 Algaecide 1kg | Pool Treatment

Lo-Chlor Black Spot 900 Algaecide 1kg

A concentrated, non-metallic granular treatment for black spot (blue-green) algae in suitable pool surfaces. The slow-dissolving granules can be directed to the affected area for longer contact.

Where can it be used?

Only use in pebblecrete, white plaster and tiled pools. Do not use on other pool surfaces unless the product label confirms suitability.

Key details

• 1 kg pack; stated dosage: 1 kg treats 50,000 litres of pool water.
• Contains 900 g/kg available chlorine, present as trichloroisocyanuric acid (tri-chlor).
• Highly concentrated and non-metallic; low pH promotes performance.
• Slow-dissolving granules can be placed on the affected area.

How is it applied?

The existing product guidance says to adjust pool pH to 7.2, place the product directly onto the affected area, wait 24–36 hours and scrub with a wire brush if necessary. Dosage rates are a guide only. Read and follow the product label for full directions and safety precautions and seek advice from a Lo-Chlor pool professional before applying this treatment to your pool or spa.

Frequently asked questions

What algae does it target? Black spot (blue-green) algae.

Can I use it in any pool? No. The listed surface suitability is pebblecrete, white plaster and tiled pools only.

How much pool water does 1 kg treat? The stated guide is 50,000 litres; follow the label for your situation.

After adding a Lo-Chlor algaecide, test for phosphates as recommended in the existing product guidance.