Diatomaceous earth filters offer many benefits to pool users including their ability to filter microscopic particles to keep your pool crystal blue. However, if you add too much diatomaceous earth to the filter, you can cause several problems.
Proper Usage
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On your swimming pool tank, you will see an ID plate that specifies the proper amount of diatomaceous earth (DE) that you should add. Add the DE to the filter after you backwash and rinse the filter.
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Potential Problems
Adding too much DE to your pool may cause multiple negative results. These ramifications include a clogged skimmer, turning the pool cloudy, reducing the circulatory pressure in the pool and putting too much work on your pump that may result in eventually breaking the pump.
Solution
Dump out the DE that is currently in the filter. Rinse clean. Add DE to a coffee can to dispense. Use three to five 1 pound coffee cans full of DE to the filter depending on the size of your pool.