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We've had our Dolphin s300i for a little over 3 years (this is its 4th summer), and a few weeks ago it began having issues. It would start moving when we turned it on, would go forward and back a few times, then stop. Tried some troubleshooting suggestions from Maytronics, which didn't fix it...

We're on our 3rd winter with the pool. 1st winter was mild temps and had no issues keeping the pool/spa open. 2nd winter we had 9 days of below-freezing temps and our chlorinator froze and burst around day 3 so we had to do a last-minute winterization since there wasn't a bypass valve. Now...

We've had several days without the air temp getting above freezing, and we have a few more to come it seems. Our pumps have been running round the clock in freeze protect mode, and after noticing a layer of ice in the pool yesterday and the water level getting low, I'm wondering if there are...

We woke up to this. Filter pump had been running, spa pump wasn't (which is why it is still clear). Shut off the panel into service mode, but now I'm not sure what to do next and wondering if anyone has ever had anything similar happen or can offer advice? Not sure yet if the mud is seeping...

Our pool is crystal clear, but we have some mustard algae developing on the sides. It brushes away easily, but I'm wondering if we should just increase our FC to what is recommended in the Chlorine/CYA chart (8) and continue brushing if the mustard algae comes back, or if we need to SLAM? If...

We have a new pool (finished last June), and the way they plumbed it, the water being suctioned from the main drain/skimmers is split between our 2 pumps, one of which feeds that water through the filter before returning back to the pool, but the other pump just catches any big leaves in the...

About 3 days ago we noticed that our pool had tons of these flakes floating on the surface of the water. It is impossible to grab one, as it dissolves when you try to pick it up. Even in the skimmer baskets, they just stay on top of the water and don't seem to be getting sucked down to be...

Our CYA is 80 and Chlorine at 9ppm, which according to the CYA/Chlorine chart is acceptable I believe. I just spoke with the pool maintenance company who did our initial water/chemicals setup (new build last summer), and mentioned to him our CYA/Chlorine levels and he kindof freaked out that...

Our CYA is on the high side at 90, and Total/Free Chlorine is at 10ppm. According to the CYA/chlorine chart, it sounds like that is okay but not recommended. pH is at about 7.9 (but I just added some acid to lower it), and Total Alkalinity is at about 100. My question is will it be okay for...

We built a gunite pool earlier this year, I've never owned a pool before, so it has been a steep learning curve for sure. This is my first time posting in the TFP forum, and I have a variety of questions I'm interested to get input on as a newbie, so I hope this is the right place to post them...