To use DE (Diatomaceous Earth) filter aid in a pool filter, you slowly add it into the skimmer while the pump is running. The pump then draws the DE into the filter, coating the grids or flex tubes.
Here's a more detailed explanation:
Steps for Adding DE to Your Pool Filter:
-
Backwash Your Filter: Start by backwashing your DE filter to remove any existing debris and old DE. This ensures a clean starting point.
-
Prepare the DE: Consult your filter's manual to determine the correct amount of DE to use. A common guideline is approximately 1 pound of DE per 10 square feet of filter area. You'll want to mix the DE with water in a bucket to form a slurry. This helps prevent clumping and ensures even distribution.
-
Slowly Add the DE Slurry: With the pump running and your filter in "filter" mode, slowly pour the DE slurry into the skimmer. Avoid adding it too quickly, as this can overwhelm the filter. Pour at a steady rate to ensure proper coating.
-
Observe the Filter Pressure: After adding the DE, check the filter's pressure gauge. Record this reading. This is your "clean" starting pressure. As the filter collects debris, the pressure will rise. You'll need to backwash the filter again when the pressure increases by 8-10 PSI (pounds per square inch) above the starting pressure, or as directed by the manufacturer.
Important Considerations:
- Safety: Always wear a dust mask when handling DE powder, as it can irritate your lungs.
- Proper Dosage: Using too much DE can clog your filter and reduce its efficiency. Using too little DE can result in poor filtration. Adhere to manufacturer's recommendations.
- Backwashing: Regular backwashing is crucial for maintaining optimal filter performance.
By following these steps, you can effectively use DE filter aid to keep your pool water clean and clear.