“RETAIL BLACK SHOCK/ TRI-CHL – 4LBS” has been added to your basket. View basket Previous Product Next Product STAR CLEAR POOL ACID $1,887.50 100 in stock STAR CLEAR POOL ACID quantity Add to basket SKU: PCPAACID Category: CHEMICALS Tag: CHEM Related products Quick View Quick View CHEMICALSSODA ASH $2,564.50 Add to basket CHEMICALSCYANURIC ACID REAGENT 8oz $2,097.90 Add to basket CHEMICALSTEST KIT – K1001 – DPD $5,756.52 Add to basket