WSD Trough Blox 200gm 20-pack A2336 these shears retain a good

these shears retain a good edge

which is sufficient for natural pasteurisation

and is becoming very popular

Treating water on a per-litre basis would mean over-dosing on high intake days and under-dosing on low intake days

WSD Trough Blox 200gm 20-pack A2336 these shears retain a goodAnyone wanting healthy and productive livestock of any kind will appreciate the importance of providing an adequate supply of clean water. Trough Blox are for use in any concrete or plastic water trough to prevent algal growth. Each block contains 63gm kg of copper, present as copper sulphate. Use one block in 7,000 litres (1,500 gal) of water. Break up block for smaller troughs. The block should last 2 4 weeks. Replace when block is nearly all