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That would depend on the filter . the best thing to do would be to contact the manufacturer of the filter.

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17y ago

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When adding aluminum sulphate to swimming pool should the filter be running?

Add the aluminum sulphate to the pool. Run the filter for two hours. Wait overnight to vacuum the bottom of the pool.


After backwashing a pool do you need to add earth back to the filter immediately?

Yes, after backwashing a pool filter you should add diatomaceous earth (DE) back to the filter immediately if you have a DE filter. If you have a sand or cartridge filter, there is no need to add anything after backwashing.


If my pool has too much alkalinity what should you do?

add acid


Do you leave filter pump on while shocking your pool or?

Yes, you should run the pump when you add chemicals to your water,


When do you add DE to a pool?

You add D.E. to a pool when you do a fresh filter clean. You also add D.E. if you have to backwash your pool more than normal. When you backwash the pool it is also dumping the D.E. out so it needs to be replaced to keep the grids covered so the pool can filter properly. Hope it helped


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.


How much d and e do you add after backwash?

The amount of diatomaceous earth (D) and other additives (E) you should add after backwashing depends on the size of your pool and the manufacturer's recommendations. Typically, for a DE filter, you should add around 1 pound of DE for every 10 square feet of filter area. Always refer to your filter's manual for specific guidelines, as different systems may have varying requirements.


Do you leave filter on to add salt in pool?

Yes, you leave the filter on in order for you to put salt in it


How long do you run the filter after you add shock to your pool?

3 hrs


Intex pool with slime on the walls and floor?

I use the Intex pool startup kit. It has sanitizer, pool test strips and shock. Add Sanitize which is granular chlorine. If you have a pool brush, brush pool. I actually use a mop. If its really dirty you may have to get inside pool to mop, in which case add Sanitize after. Then run filter for 20 minutes and use test strip to check pH & alkilinity. If not right pH add another dose (booklet in kit says how much per 500 gals of water)and run filter another 20 min. Then add Shock and run filter 4-8hrs. If you don't have a filter, then you probably have to drain, clean with regular liquid bleach & mop then refill.


What setting should filter be on when adding chemicals?

The filter should be set to the "circulate" or "backwash" position when adding chemicals to the pool. This will help distribute the chemicals evenly throughout the pool water. Make sure to follow the specific instructions provided on the chemical packaging for best results.


How do you clean an extremely murky pool with a DE Filter without constantly having to bump and drain the filter?

If you're trying to clear up a murky pool, then the only option you have is to filter, back-wash, and add more DE and filter, BW, add more DE, until the water is clear.Try to scoop out as much debris out of the water as you can, top and bottom, and keep the bottom drain clear.You may be able to do a partial drain and refill.