Cooler Guard (E-4000)

Cooler Guard keeps your cooler clean and scale-free. No work required!

Cooler Guard time-released evaporative cooler cleaning treatment helps keep coolers and pads clean by releasing cleaning agents, dispersants, and descalers into the recirculating water. Cooler Guard is timed-release maintenance for evaporative coolers and works continuously in the cooler water, keeping the unit clean. Just unwrap it and drop it in!

  • 2 month continuous cleaning treatment for systems rated up to 4,000 CFM
  • Cleans wherever the water reaches
  • Guards against future deposits
  • See a Cooling and Coolerguard video HERE.
Price: $27.55
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Cooler Guard Information

Time-Released Maintenance For Evaporative Coolers

Evaporative Cooler Maintenance

Millions of dollars get spent replacing evaporative cooler parts only because they are scaled up.

Scaled pad surfaces decrease the unit's efficiency and increase the potential of moisture getting into the air stream.

Neglected coolers contain sludge and other deposits in the sump, affecting the quality of the air which runs through them.

The problem of scale deposit build is real. Time consuming clean up using acids and other harsh chemicals can be a hazard, but this can be prevented.

  • Cleans wherever the water reaches.
  • Dissolves the build-up that causes corrosion.
  • Guards against future deposits.
  • Extends cooler pad life indefinitely.
  • Provides a fresh cooling environment.
  • Keeps units clean and trouble-free.
  • pH neutral to preserve pad life.
  • Maximizes air flow for top efficiency.
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CoolerGuard Information.pdf257.86 KB
CoolerGuard Material Safety Data Sheet.pdf59.54 KB
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Cell deck after one seasons use of Cooler Guard
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Cooler Guard FAQ's

What is Cooler Guard? Cooler Guard helps prevent scale deposition in evaporative coolers.

How is Cooler Guard supplied? Cooler Guard is supplied as a solid polymer block.

I have a large evaporative cooler for my building. How can I tell what to use? Cooler Guard is sized for 2,000 cfm, 4,000 cfm and 10,000 cfm coolers. You can use multiples of these for odd sized coolers.

Is Cooler Guard an acid? No. Cooler Guard is not an acid and will not affect metal parts.

I have to drain a lot of water from my evaporative cooler, and this increases my water bill. Will Cooler Guard help? Yes. Cooler Guard is designed so you can shut off your bleed-off valve. You will need to remove the sump water, and replace the Cooler Guard every 4 – 6 weeks. If you discharge even 1 gallon of water from your cooler a minute, this amounts to over fourteen hundred gallons per day – a very expensive proposition.

Can Cooler Guard remove old scale deposits? Yes. Cooler Guard has removed old deposits from pads that previously were mostly plugged with scale.

Do I ever need to clean my cooler when I use Cooler Guard? Yes, you should drain your sump and rinse it out thoroughly before each use of Cooler Guard.

How does Cooler Guard work? Does it dissolve scale? Cooler Guard works by breaking down the scale deposits into very fine, almost molecular sized particles that are kept in suspension without the use of harmful acids. Every four to six weeks, even the small particles may deposit, so you should drain and remove the water at that time.

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