For the Control of Algae and Slime in Stock Troughs. Product Description WSD TROUGH BLOX is a treatment for troughs to control algal growth and to provide a copper supplement to livestock. Type of Preparation WSD TROUGH BLOXS contains 63g/Kg copper in a slowly soluble block for use in stock water troughs. Indications To control algal growth in plastic and concrete troughs. Dosage Always refer to the label. One 200g block is sufficient for 7000 litre capacity trough for 30 days. DIRECTIONS FOR USE RESTRAINTS DO NOT use in areas where copper toxicity is known. DO NOT use in bare metal troughs. DO NOT use if stock are suspected of having Lupinosis. One 200gm Trough Block treats approximately 7,000 litres of water. Replace the TROUGH BLOCK when slime starts to return.
