WSD Trough Blocks 200g x 20pk

The WSD Trough Blocks 200g is a perfect treatment to keep your troughs clean!

They control algal growth and provide a copper supplements to livestock. 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. Milking sheep, dairy cattle & dairy goats: Suitable for use in the water supplies of animals producing milk for human consumption.

Dosage: Always refer to the label. One 200g block is sufficient for 7000 litre capacity trough for 30 days. One 2kg block will treat 70,000 litres for 30 days.

Advice On Use: WSD Trough Blox are safe to use with most livestock water supplies. Do not use in steel tanks or troughs. Do not overdose water supplies when using this product. WSD Trough Blox should not be used in human drinking water. Do not use in areas or districts where high copper levels are known to occur or where there is a risk of chronic copper toxicity. Care should be exercised with livestock fed a ration supplemented with copper or if copper bullets have been administered. For troughs of less than 7000 litre capacity, each 200g block should be divided into the proportion appropriate to the volume of the trough. 

WSD Trough Blox's are designed for prevention and control of algae rather than killing algae. If a trough has heavy algae growth it is advised to clean the trough first and then use a WSD Trough Blox to control the future algae growth.