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for the past week we have maintained the FC at 12ppm - slam level fro CYA of 30, but eavey second day there are a few spots of algae growth. Our pump is 24 years old and is only working at 8psi. The skimmer has suction, but it's not gathering much debris. Electric cleaner runds for 2 or 3 hours...

I tested our pool water in preparation for pool opening tomorrow, but I have just read on TFP that tests may not be accurate with a water temp below 45 F. I'm using a Taylor K2006 kit. My results are as follows: CYA <30 FC 0 pH < 7 TA 20 CH 60 Pool math says add 3kg dry...

We opened our pool on Friday. Had a new liner in the fall, so no CYA. Pool guy dumped in 20 litres of liquid chlorine before I could stop him. At opening FC =0 CYA=0 pH = less that 6.8 TA=30 CH=300 After 20 litres and still no CYA ( had to go and get stabilizer) FC=12+ Tested FC on Sunday and...

Having problems this year. Here's the story; We have a 23-year-old liner. I know...it should have been replaced before now. The pool was opened on May 29th. Green but full. The pool guy brushed the steps and the floor in front and to the sides and tore the liner, although we didn't know that at...

Just checked my pool after 3 days away and FC is 3.4 Target is 8 due to 55 CYA. Algae present in corners and some on pool floor. Just added bleach to reach target - 4 litres. Brushed sides and Dolphin cleaner is in. Is SLAM necessary?

Is Millard borax equivalent to Mule 20?

After 8 days my pool water is clear. CC is 0.5 and no overnight Chlorine loss. Upon starting SLAM is lowered the pH too much to 6.5 ppm. At what FC level do I add the soda ash ( mixed in a bucket and added to the skimmer) to raise pH and baking soda to raise TA?

Pool company opened our pool on May 19, 2020. It was green - not unusual. Lots of algae. They added 20 L of 12% liquid chlorine. After 2 days, not much change. I tested the water on May 21 using Taylor K2006. Results were: FC 4 ppm CC 0.5 pH 8 TA 50 CH 40 CYA 60 On May 22 I...

We have an 85000-litre vinyl pool opened 2 days ago 20 litres of 12% bleach added then. I added 17 litres last night. TEMP 60 degrees This morning: FC 14.5 CC 0.5 TA 60 CH 40 CYA 70 BUT PH is 8.0 Can I add muriatic acid now or should I just continue with liquid bleach 12%. I know I should have...

I let the chlorine drop too low when treating with IPG Metaban for copper staining. AI think algae bloomed overnight and today pool is cloudy. I have added pH up and 3 ups of 10% chlorine but still cloudy this afternoon. What should I do next?

BB Our pool is an inground 13'x35' with 20 000 gallons (we use 85 000 liters) of water. We have a sand filter and chlorinate with pucks in the skimmer. Pool has a heater and we keep the temperature at 76-78 degrees. For the past three years we have had trouble with copper staining on the vinyl...