Question about supplementing a sand filter

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Something along those lines is great for saving energy, but isn't likely to improve you filtering (unless your current filter is actually broken). Even a slightly undersized sand filter is more than enough for any pool. Nearly everyone who thinks they need more filtering actually has a water chemistry problem.
 
Currently in the middle of a SLAM and have been dealing with almost no improvement to cloudiness for over 10 days now. Sand filter just doesn't seem to be able to catch the particles even with a cellulose/DE additive.

The whole thing is documented in this thread:

http://www.troublefreepool.com/threads/78495-10-years-into-it-and-just-now-trying-TFP-Method-to-fix-the-swamp

Right now whatever is in the water just seems to pass straight through the sand filter and go back into the pool which is why I am considering trying a kitbashed together cartridge system to get whatever this is out of the pool.



Only losing 1ppm FC overnight so I doubt that there is very much left in the way of live organics still in the pool.
 
JasonLion said:
The filter might be channeled. Try doing a deep cleaning of your filter.
Click to expand...

I just did that a little over three weeks ago before starting the SLAM. No signs of channeling at the time.

However this morning I added just a bit more cellulose to the filter than the directions on the package called for and (*surprise*) about an hour ago saw a huge spike of 12psi. :)


So after backwashing, I went ahead and added the same amount again as I did this morning to see if it continues to improve the performance.

(Crossing fingers)
 
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