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Hi! So I am having a lot of dead algae appear in the pool and so I am starting to wonder if it is seeping through the filter and back into the pool? If this is the case, what do I need to do to get rid of it for good? Add DE? Vacuum to Waste My water is clear and all of levels look...

So I have had this material on the bottom of my pool for about a week. It looks like dirt....not yellow or black. My water is crystal clear and other than those spots coming back up, I have had no problems. My question is how can I tell if it is algae and would my CC be 0 if algae was in the...

Hi! I recently downloaded the app for Pool Math and like the mobility but I noticed that the ranges for the chemicals were different than the ones on the original pool math calculator. Which values do I use? Here are my testing values for today: FC--1.7 CC-0.0 CYA-25 TA-60 Ph--7.4 CH--170...

I just opened my pool and vacuumed out the debris and it is clear. My ph is 7.2 and FC = 0. Do I still need to SLAM if the FC = 0?

I am driving myself crazy trying to figure out if I have mustard algae. My husband thinks it is dirt. It is like sand light brown and along the edges of the pool pretty much all around. It is not on the walls that I can tell. We had mustard algae last year (or so we think) and the water was...

So I am a total newbie but determined to learn this on my own rather than using pool store info. I have a Taylor DAS-FPD test kid and am now comfortable with it. Yesterday, these were my readings from the kit FC-4.5 CC-0 PH-7.6 ALK-130 CYA-35 Cal Hard-250 Pool looks wonderfully clear. I...