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Finally, 9 months after opening my new pool, I did a backwash for my sand filter. I switched off my pump and turn my filter selector to backwash and power on. The water is not that dirty but very murky with sand. After running almost two minutes, the colour improved to yellowish and almost...

I am thinking of building my own solar heater using copper tubing as we do not have the type of DIY solar heater kits that is available on your market. Can anybody advice on the following? 1) what are the consequences of 4000 - 4500 ppm salt against the copper tubing? 2) anybody knows of any...

My under shed pool is currently running on Cal-Hypo and Trichlor. I switch off my SWG because I need Cal-Hypo to raise my CH and Trichlor to raise my CYA. There's no Calcium chloride , stabilizer or CYA available here. I still have 10 kg (22lb) of Cal-hypo and 4 lb of Trichlor to go before I...

As my recently filled water are low in CYA (Est. 20) and CH 60, I need to get both of them up. I am on both Trichlor and Cal-hypo. If my FC can hold at 3 by sunset (which seems to be doing quite well), I intend to concentrate on Cal-hypo to get my CH up. Under normal application, it's best...

Hi everybody, Thanks Sean for the great site, Mod for the great jobs done, other gurus for the invaluable advices. What most newbies like me encounter here are, there is a big gap of knowledge (on pool matters) between the gurus and us newbies. We were asked again and again the read the...

Hi everybody, I am not exactly new here (2 months old) but I did things the other way and during the mist of my confusion and anxiety, I overlooked the need for my introduction... My name is Vincent and I run a small shop in town. We (whole family) left home at 6am and return earliest 6.30 pm...

Greetings. My new pool after filling with pipe water over Christmas now tested CH 60, CYA 0, ph7.8, TA80, FC2, CC0.5. I have a few questions: 1) As my only source of CYA is from Trichlor and Calcium from Cal-hypo. I have switched my SWG off (for the time being until my CYA and CH are up...

Hooray..... finally got my TF100...thanks Dave, the parcel arrived safely and not paying a single cent for duty of any kind. Did my first test and got the following: FC 2 CC 0.5 TA 80 (My Aussie Gold 4in1 test kit show 60) CH 60 (Pipe water 40) PH 7.8 CYA ?? (TF100 can only test 20 or above)...

Greetings, I am in the process of following the recomended water balancing technique as taught in this great forum. My 2 months old pool were filled with pipe water with presumeably no or low CH and CYA. My existing 4 in 1 test kit can only test: FC 0.2 ph 7.8 TA 50 Acid Demand 0 Dave had...

Hi everybody, I'm trying to balance my pool chemistry in the "jungle". We got 3 pool shop here but none of them stock on CYA or Sodium Bicarbonate. Some doesn't even know what they are. Nobody use them here because none of them know how. Thus it's just like having a pool deep in the jungle...