As low as $11.75

Non-Foaming Algaecide. Inhibits the Growth of, and kills, all type of Algae. One Pill last up to 2 weeks and treats with to 20,000 Gallons!

As low as $15.75

As low as $22.75

Stop black algae from attacking your pool. This powerful algaecide has been formulated specifically to kill and prevent tough black algaecide strains. Super concentrated formula is non-clouding and low-foaming. Maintenance dosage: 16 oz. per 10,000 gallons.

As low as $25.75

Rely on concentrated Halt® 50 Algaecide to kill and prevent all types of algae. A single quart of this super concentrated swimming pool algaecide treats up to 240,000 gallons — a great value! Plus, this non-metallic, low-foaming formula will not stain or discolor hair. Swim immediately after treatment. Great for all pool types. Maintenance dosage: 1-1/3 oz. per 10,000 gallons.

As low as $12.75

Poly 30 is a non-metallic, non-foaming algaecide for preventing and eliminating mustard, black and other algae species. It can be used all season and is excellent for winterizing.

As low as $14.75

Our most economical and professional grade algaestat (prevents)and algaecide (kills). Algaestroy is a 50% active quaternary type. It is highly effective for controlling slimy green algae. A great product when used for winterizing. It is non-mettallic, long lasting, pH neutral and applied directly to the pool. Initial dose should be around 6 oz. per 10,000 gallons of water. For maintenance purposes use about 1.5 oz. per 10,000 gallons.

As low as $19.75

Poly 60 is our premium quality, non-metallic, non-foaming, pH neutral algaetsat and algaecide. It is very stable and highly effective for controlling a broad spectrum of algae and can be used all season as well as for winterizing.