Description
Lo-Chlor Black Spot 900 is a high-strength granular chlorine treatment developed for black spot algae on compatible hard pool finishes. The 1kg pack contains 90% trichlor for targeted corrective treatment.
Features and Benefits
- High-strength 900g/kg available-chlorine formulation.
- Slow-dissolving granules provide sustained contact on affected hard surfaces.
- Designed for black spot algae treatment in pebblecrete, white plaster and tiled pools.
- 1kg pack is published for treatment of up to 50,000L, subject to label directions.
Specifications
| Brand | Lo-Chlor |
|---|---|
| Product | Black Spot 900 |
| Pack size | 1kg |
| Active type | Trichloroisocyanuric acid (trichlor) |
| Available chlorine | 900g/kg |
| Compatible finishes | Pebblecrete, white plaster and tile only |
| Published coverage | Up to 50,000L |
Dosage and Use
- Confirm the pool finish is compatible before use.
- Brush the affected area and apply exactly as directed on the label.
- Maintain circulation and follow the label’s re-entry and post-treatment instructions.
Important: Always read and follow the current product label and SDS. Test water before dosing, add chemicals separately, never mix products together, and keep chemicals out of reach of children. Do not use on vinyl, fibreglass or painted surfaces; this concentrated chlorine product can bleach or damage incompatible finishes.

![1kg Black Spot 900 Granular Blackspot Algaecide [LCC-50-91050]](http://www.partsforpools.com.au/cdn/shop/files/e68f0ee6-8905-4481-821d-784ae31229fd.jpg?v=1786337200&width=500)
![1kg Black Spot 900 Granular Blackspot Algaecide [LCC-50-91050]](http://www.partsforpools.com.au/cdn/shop/files/1e7e0a0c-ad55-4866-8360-df7ee8b1d3a3.jpg?v=1786337200&width=980)
![1kg Black Spot 900 Granular Blackspot Algaecide [LCC-50-91050]](http://www.partsforpools.com.au/cdn/shop/files/373bd1ee-6e59-4eb0-8926-1202ce2bdeed.jpg?v=1786337200&width=1000)