“RETAIL BLACK SHOCK/ TRI-CHL – 4LBS” has been added to your basket. View basket Previous Product Next Product PHENOL RED – 16 OZ $1,996.62 100 in stock PHENOL RED - 16 OZ quantity Add to basket SKU: PEPR161126 Category: CHEMICALS Tag: CHEM Related products Quick View Quick View CHEMICALSBRINE CRYSTALS $1,900.00 Add to basket CHEMICALSSTAR CLEAR POOL ACID $1,887.50 Add to basket CHEMICALSBLACK ALGAE SHOCK/ TRI-CHLOR GRANULES 90 $2,990.00 Add to basket