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Organic Water Treatment Chemicals
Steam Boilers, Cooling Towers, Hot And Chilled Closed Systems
Fuel Oil Treatment
(Home of D.M Concentrate)

Protectotherm 601


Thermidaire Protectotherm 601 is an amine based product, specially developed algaecide and will keep cooling systems free of algae and slime build-up. Due to its unique action, algae, etc. cannot build up a resistance or tolerance to Protectotherm.

Thermidaire Protectotherm 601 is a biocide, algaecide, fungicide etc. It provides kill with no tolerance build up to the various low form of life organisms, which breed in open cooling tower waters. These algae will grow causing slimes, which may contain inorganic and organic debris mechanically entrapped.

Thermidaire Protectotherm 601 is also an all-purpose cooling tower and cooling system treatment, keeping the whole system in proper condition.

Thermidaire Protectotherm 601 must not be used where it can come in direct contact with food.


Physical state: Thick liquid.
Colour: Light tea colour.


Very effective against algae and slime build-up.
Has extra cleaning capacity.
All purpose cooling tower and system treatment.
Easy to handle and apply.
Kills and Controls wide range of bacteria, and algae.
Low odor.
One package ready to use liquid treatment.


Thermidaire Corporation will specify the optimum treatment level.
Initial dosage: 350 ml. (3/4 pint) Protectotherm per 1000 gallons of water in the system.
Continuing Dosage: 115 ml. (1/4 pint) Protectotherm per 1000 gallons of make-up water.
Protectotherm is a thick liquid when at room temperature and the dose may be mixed in a pail of water and poured into any convenient spot in the system where there is good circulation.


Thermidaire Protectotherm 601 should be introduced into the system continuously or as needed depending on different factors, such as the temperature, contamination severity, present nutrition substances, and the desired results.


Thermidaire Protectotherm 601 is a medium to mild alkali and can be slightly toxic. Irritating to eyes, skin, and mucous membranes. It is a skin sensitize in some individuals. Harmful is swallowed or inhaled. Avoid contact with clothing, eyes and skin, should contact occur, flush immediately with plenty of fresh water. If discomfort persists, seek medical attention. Do not take internally. Wear protective clothing, safety shoes, glasses, goggles keep out of ignition sources. Store in a cool, dry and well-ventilated places. Keep container tightly closed. Wash thoroughly after handling.

SPILL:  Sweep up liquid and dispose of safely, flush area to drain with plenty of water. Observe local disposal regulation.

Read Material Data Sheets before handling this product.


Thermidaire Protectotherm 601  Liquid available in 5 Gallons pails, 45 gallons drums.

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