3 Month Algaecide$34.95 1 Quart Copper based algaecide treatment that kills & prevents all types of algae growth for 3 months ** NOT RECOMMENDED FOR USE IN PLASTER FINISH POOLS ** 3 Month Algaecide quantity Add to cart SKU: 676674016816 Categories: Algaecide, Pool Chemicals Related products Select options Reserve (Hardness Increaser) $25.95 – $46.95 Add to cart Pool Frog Bac Pac $39.95 Select options pH Decreaser $9.95 – $17.95 Select options Diatomacious Earth $15.95 – $24.95