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Hi All, I have a plaster pool and have several stains primarily in the deep end and closer to edge of pool. The stains are about 1 to 2 inches in diameter and they are yellow green colour. They are also rough when you touch them and they feel like they are attached to the pool surface. I have...

I made a silly mistake of not reading the instructions and added 5 Kg of a product called Refresh which is borate. What a did not realise was this product increased PH. After 2 hours checked pool and had white blochy stains where I had pured this stuff. I tried brushing which did nothing. I...

I have 65000 litre concrete plaster pool with a SWG unit and I have the following numbers as per my Taylors kit. CL=1.60 PH=7.7 TA=100 CH=130 CYA=0 Water temp 16 celsius My Lsi index is -.42 as this is not too bad as water will warm up shortly. Is my PH high and should I be trying to get PH to...

I have been testing chlorine during evening and morning fo a few days and there is about .2 to .3 usage also noted CC is about .2. How can I get rid of the CC. Figures are FC 4.2 CC 0.2 PH 7.4 TA 50 CH 550 CYA 500-550 Pool size 5000 ltrs(13200 gal)

I have a Taylors kit which is about 9 months old and lately the TS reading is consistent at 50ppm. To increase TA I dropped Bicarb Soda and tested with sensafe meter which read about 80ppm but Taylors kit still stated 50ppm. Also had water tested at pool shop which cofirmed the sensafe...