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Hi - seeing a lot more light brown spots of staining (a few inches long each, scattered around the pool. Have in the past only seen this if a worm got in the pool and decomposed leaving a shadow of it's shape. The spots don't come off even with aggressive wire brushing I can't tell if I am now...

Usually by this time of year the water is at 60 and I close using TFP recommendations and have a crystal clear pool in the spring. But today the water is still warmer than usual and I am getting some CC which is almost always at 0. FC 14 CC 1 pH 7.6 TA 100 CH 200 CYA 70 (I know...

Hi We're big fans of TFP and have had great success with the TFP method for the last 4 years. One thing I'm wondering about, because we don't change the water periodically (just drain about 25% in the fall and let the rain refill it.) Is there a build up of decomposed chemicals - for example...

Hi Big fan of TFP and really appreciate all of the expert advice here. Trying to decide whether to raise CH before closing? But I'm not sure what I am seeing..... The pool surface is quite rough - like sandpaper. This pic is the top step surface from the beginning of the season. Is this a...

Hi - big fan of TFP and really appreciate the expert advice here.... Just checking before I close the pool this weekend. CH =150 pH = 7.8 CSI = 0.0 (Poolmath) FC = 5.4 CC = 0.0 TA =100 CYA = 30 I know ideally CH should be higher but I've kept it this way because the previous owner left a...

Hi Anyone have any thoughts? Just installed a Rainbbow 320 and barely getting a trickle of water flowing in to it. (Have the see through version and moved the input to the cylinder to the top. ) I won't normally use it (using BBB method) but want it for backup when we are away. The only way...

Hi Big TFP fan - the system is so easy and effective it turned the pool chores into NBD. But I have a problem right now.... Average PPM chlorine consumption is running at 5ppm/day this year! Previous years it averaged 1.2 ppm/day. Already checked for visible algae, did OCLT, cleaned filter...

Hi Big fan of this site and the TFP method - 4 years! Pool is open - there is something on the walls (30k gunite) that looks like a shadow - a little darker than surrounding areas. It seems to brush off easily (well, brushing isn't really easy is it?) then looks like silt drifting in the water...

Hi - first of three questions: Noticed the caulking between the top of the tile line and the bottom of the concrete deck has separated almost all the way around the pool. (no discrete coping, just concrete deck) Is this something I should definitely fix before winter or does it not matter so...

Hi guys, Big fan of the TFP method - for 2 1/2 years! Have not had to shock/slam at all! Two problems left: 1. Calcium scale (been there since previous owner kept CH at 400 per pool store advice). I keep the CH low and the scale isn't getting any worse, maybe a little bit better. Should...

Hired someone to close my pool and without asking me they dumped in 32oz of copper based algecide before putting the cover on. Now I'm worried about copper staining over the winter! Should I be worried? Should I reopen the pool now, completely drain and refill and reclose with poly algecide...

Hi, Using TFP method this year, first time, great results - sparkling clear, no algae, no shocking...easy. (Except for disposing of the empty liquid chlorine jugs.) But my question is around Calcium Saturation Index. Poolmath is giving me +.41 and I'm getting concerned about damaging the...