“RETAIL BLACK SHOCK/ TRI-CHL – 4LBS” has been added to your basket. View basket Previous Product Next Product TEST KIT- 2 WAY $4,781.70 100 in stock TEST KIT- 2 WAY quantity Add to basket SKU: PETKK1000 Category: CHEMICALS Tag: CHEM Related products CHEMICALSALGICIDE $1,725.00 Add to basket CHEMICALSRETAIL BLACK SHOCK/ TRI-CHL – 4LBS $2,600.00 Add to basket Quick View Quick View CHEMICALSALUM $1,006.25 Add to basket