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Hello! I've tried to lower my total alkalinity for the past several days. The first time, I used Acid Magic and then aerated but it didn't do much and my numbers stayed the same. Figuring it had lost its efficacy, I used actual muriatic acid. It did lower the pH this time, so I aerated again...

Hello! I just finished a SLAM and my CYA now measures 40 (I poured back & forth several times & kept deciding on 40), and PoolMath says I match my target of 40-50 (recommended 30-60). Six days ago, before I started my SLAM, CYA was 10 so we did add what stabilizer we had on hand and it tested on...

Pardon my French, but this ladder we have has, I believe, kept us from ever getting rid of algae, regardless of the SLAMs or scrubbing we do. Here are some photos of all the nooks and crannies. How do I clean this sucker?! I have poured bleach in each hole and scrubbed with a bottle scrubber...

Hello! What is the best pump timer and heater control combo for a seasonal above-ground pool? We tried WiOn last year but we want to have the heater turn off and let the pump run awhile longer to cool the pipes down. Thank you!

Hello! We're looking for a pool timer/controller to run both the heater and single-speed pump. We want to control it with a mobile phone app and/or internet. Must be weather-proof. Seeking suggestions on brand, setup, etc. to be most cost-effective and reliable. Thank you!

Hello! I have crystal clear water and my levels are all within range (after fighting to lower my CYA all of last year; I had been using chlorine pucks but thanks to TFP once I started using liquid chlorine, most of my problems disappeared). My concern is this: I can vacuum and within an hour or...

Hi, I want to add salt to get a silky feel to the water (it feels hard right now) but I don't have a dispenser or a test to see how much salt is in it now. I have the TF-100 test kit and my numbers tonight were: FC 3.5 CC .5 PH 7.5 TA 90 CH 225 CYA 50 My husband bought two 40-lb bags of sodium...

Hello! I switched to the TFP method about six weeks ago and am loving it! I stopped using pucks & am finally getting my CYA down to 50. I test my FC, CC & pH regularly & keep them within range using the TF100 and Pool Math app. The only things I add to the water are liquid chlorine and Acid...

I live in Moorhead, Minnesota, where we have a water treatment plant that is one of the top in the country. Could that be part of why, even when we drain & add fresh water, we can't get our CYA level below 60? I just did a successful SLAM and the FC is still drifting down, but CYA is still...

Good morning! I started my first SLAM yesterday because my CC level was 2.5 and we'd fought algae for the past year. We still can't decide if we're just getting some dead algae along the seams or if we still have an infection, but because of my CC level we decided to SLAM. Got the FC level up...

Hello! We fought mustard algae last year and again when we opened this year. It appears to have cleared up & all is balanced, but when I shocked the pool Saturday night with Cal Hypo (and brushed immediately afterward), I woke up to a ton of fine sediment on the floor of the pool that also had...