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Thanks for your quick replies. I have suspected MA as there has been evidence of white/light yellow algae growing on floor bottom coupled with really cloudy water. Pool store had mentioned there had been "a lot of MA outbreaks" in the area this summer. Can anyone tell me if the gunk in the...

Update and feedback request: Day SEVEN of SLAM. 1) Have passed the Overnight test with 0 loss two nights in a row. 2) Have 0 CC, has always been zero. 3) Have a clear(er) pool than ever before. Could see a quarter on the bottom of 8 foot end. Great news but I fear I am not finished yet! BUT...

I am in day four of SLAM for cloudy water and MA. I just noticed more MA growing than I have seen on days 1-3. There is also more gray powdery residue so I do think I am making some progress. At a 50 CYA, I have aimed for 20 ppm FC with the understanding that once the pool passes three SLAM...

Currently on day four of a SLAM for cloudy water and (what I suspect is) mustard algae. Making decent progress on the 3 criteria and hope that be ready for 24 hour MA SLAM soon. I know to run fountains and soak pool toys, etc. during MA slam but looking for advice as to how to ensure auto cover...

Yes assuming the multiplier valve is on right, I backwash, rinse and return to filter. I have always (the 2 months since install) had high pressure. 30 pre backwash (now 26 since start of SLAM) and 18 post. The pressure quickly jumps from 18 to mid 20s within a few hours of back washing. It...

48 hours into the SLAM. CC = 0 Overnight loss still occurring (2-3ppm) Water as cloudy as before, if not worse. Clearly, I am in for more days of SLAMming. The sand filter max pressure has dropped from 30 to 26psi. Can this be explained by dead vs alive algae? In sunlight, we now see floating...

Re: New Pool: Short Lived Backwash & Cloudy Water Thanks all! Is it possible to SLAM the pool using the SWG? I have a SuperChlorinate setting which runs at 100% for 24 hours. Is this less effective than bleach and the SLAM process? - - - Updated - - - Thanks all! Is it possible to...

What a great forum to stumble upon. Thank you to all who give their time so freely to help others! We have a brand new fiberglass pool and have been swimming for 2 months. Two problems (possibly related) that I would appreciate advice on: 1) Post backwash pressure runs 18 psi with our 300...