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The EC 65 filter typically requires about 1.5 to 2.5 pounds of diatomaceous earth (DE) for optimal performance, depending on the specific model and manufacturer recommendations. It's important to follow the guidelines provided in the filter's manual to ensure proper filtration and efficiency. Regular maintenance and checking DE levels are also crucial for effective operation.

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How do you start up a hayward ec-65 DE filter?

Turn on the pump and put in some DE. Or clean it with filter cleaner and re-assemble then turn ont he pump and add DE.


Too much de in pool filter?

Clean it out and start again. Check and manual for the amount of DE in the filter. Too much is like throwing money literally down the drain. While your cleaning the grids check for tears.


How much DE do you use after back washing?

It is recommended to add about 1-2 cups of Diatomaceous Earth (DE) per 10 square feet of filter area after backwashing your pool filter. Be sure to follow the specific instructions for your filter model and size when adding DE after backwashing.


How much de powder for 17000 gallon pool?

You add diatomaceous earth (de) powder to a pool based on the size of the filter. Most pool filters have a plate on the side telling you how much de powder you need to add. If your filter does not have such a plate, the general formula is that you add 1 lb. of de powder for every 10 sq. ft. of filter area. That is, you need to measure the length, width, of your filter, taking the pleats into account, and use the formula "sq. ft. = length x width" to determine the square footage of your filter.


Can you use Aqua Perl in your sand filter instead of sand?

You should not use Aqua Perl (Which is a Expanded Perlite Filter Media), or DE filter media in a sand filter. Here are a few reasons: 1. The Aqua Perl will come out every time you backwash your filter (it is much lighter and has a certain percentage of "floaters" (material that floats on top of water). 2. There are very small particles in both Aqua Perl and DE that may get into your swimming pool causing a "cloudy" effect. 3. Sand is much more permeable than Aqua Perl, and you will get a lower flow rate than with sand. The pressure will be higher as well. 4. A sand type filter is not designed for either Aqua Perl or DE. To use this type of filter media you need a DE type filter. Using a DE type filter will give much better results than with sand.


How much de do you need for a 18x36 inground pool filter?

The amount of DE (diatomaceous earth) needed for an 18x36 inground pool filter typically ranges from 1 to 2 pounds per square foot of the filter's surface area. To determine the exact amount, check the filter's specifications, as they often indicate the recommended DE amount. Generally, an 18x36 pool may require about 4 to 6 pounds of DE, depending on the filter model. Always consult your filter's manual for precise guidelines.


How much DE should be added after back washing a swimming pool?

1lb for every 10sq/ft of filtration area in your filter. There should be a tag on the side of the filter that says how many square feet the filter area is and some even tell you how many lbs of DE is needed.


How does a DE filter work on a pool?

Simply put, Diatomaceous Earth (DE) are the bones of tiny little animals that lived millions and millions of years ago, diatoms. This DE is used to coat the "grids" inside the DE filter which captures and filters particles as small as 5 microns. When the filter pressure rises, the swimming pool DE filter is backwashed in the same manner as a sand filter. A slurry of DE is put into the skimmer to "recharge" or "re-coat" the grids of these swimming pool DE filters. This type of filter is effective and efficient but a little more expensive to maintain. Some call it the "water polisher" of pool filters.


Is a cartridge filter better than a DE Filter?

A DE filter will filter finer particles. It also depends on the application. Some cities are not allowing DE filters to be back washed into their sewer systems within city limits. (Calif) k


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