Algae Reducers | McMaster-Carr

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6 Products

Biocides for Removing Algae

Also known as dispersants, add these chemicals to wastewater to control the growth of algae and other microorganisms that cause foul odors. You can also use them in HVAC equipment, such as cooling towers and humidifiers.

	Container
	Type	Size , fl. oz.	Solution Type	Harshness	For Removing	Primary Chemical		Each
Liquid Concentrates


		Bottle	32	Water Based	Harsh	Algae, Bacteria, Odors	Glutaraldehyde (15-20% Concentration)	0000000	000000

Chlorine


Granules	Tablets

Sanitize pools and spas by killing algae, bacteria, and other contaminants without leaving residue. This chlorine won’t degrade from exposure to UV rays, so it’s good for outdoor use.

Granules—Granules dissolve quickly for rapid sanitizing. They’re often used when very high chlorine levels are required for complete disinfection—also known as shock treatment. The granule form makes it easy to adjust dosing as needed. Since they’re added directly to water, they can be used to disinfect fountains and ponds.

Tablets—Tablets dissolve slowly to maintain a constant and consistent level of chlorine in your pool over time. They must be used through an automatic chlorine feeder or floater.

Cannot Be Sold To—This chlorine cannot be sold to the listed areas due to product registration requirements.

	Container
	Type	Net Wt., lb.	No. of Tablets	Solution Type	Harshness	For Removing	Cannot Be Sold To		Each
Granules


		Pail	25	—	Water Based	Harsh	Algae, Bacteria, Dirt	Alaska, Hawaii, Puerto Rico, Canada	00000000	0000000
		Pail	40	—	Water Based	Harsh	Algae, Bacteria, Dirt	Alaska, Hawaii, Puerto Rico, Canada	00000000	000000

		Tablets


				Pail	10	20	Water Based	Harsh	Algae, Bacteria, Dirt	Alaska, Hawaii, Puerto Rico, Canada	00000000	000000
				Pail	25	50	Water Based	Harsh	Algae, Bacteria, Dirt	Alaska, Hawaii, Puerto Rico, Canada	00000000	000000
				Pail	50	100	Water Based	Harsh	Algae, Bacteria, Dirt	Alaska, Hawaii, Puerto Rico, Canada	00000000	000000