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Hello, After watching this video I tried/tested sticking the outlet of an industrial vacuum cleaner into the pool and that created a lot of turbulence (literally like a volcano erupting). ph is currently sitting at 6.8 (or thereabouts, it's a bit hard to tell as test is limited at this level)...

Hello all, I am asking a question for a friend, so please ignore the info in the signature. He has quite a large in-ground liner pool with a sand-filter, SWG, and obviously a pump. The liner has deteriorated and requires replacement. Unfortunately there will be a few months until he can get...

Not sure if this is the right place to ask this question, but I was wondering if someone could comment on: - is there any issue with using calcium hypochlorite on a daily basis as a pool sanitizer? - and if it is ok, has there been any attempts to build an automated doser for calcium...

I mean, I understand the concept. What I am trying to understand is how the electronics/electricity is making the plates work? The main control unit of our Astral Viron 18 has died, just a few months after replacing the cell with a brand new one. I was wondering if I could actually build a DIY...

Hello all, Recently we have had issues with the SWG unit showing low salt warnings. Testing for salt levels we see good amount of salt (6800 ppm). I would immediately suspect the salt cell due to its age (6.5 years old), but ... The issue is not consistent, sometimes the low salt warning...

Hello, I have no issues with my pool, the TFP way has been working great for more than a year now!!! Just two questions that I am curious about: - What if in the middle of a SLAM, with say 25ppm FC, I will jump into the pool for a short swim? What would the effect on my skin, eyes, hair? - Is...

Dear forum members, I have tested by pool water and my CH needs to be raised. It is currently measuring ~130ppm and I would like it around ~275ppm. Checking pool math it seems I need to add something like 5kg of Calcium Chloride. The problem is (if I understand this right) that this will also...

Hello all, I have a variable pump speed, with three set speeds. I noticed that I can also manually adjust the speed of the pump for each setting. I have played around with the setting and reduced the low speed settings to 1100rpm from 1375rpm. The sound is much better and barely noticeable...

Hello all, Recently I have noticed some strange stains on the pool surface, I have only noticed them on the shallow end. It looks like rust embedded into the pool area (:confused:), and even scrubbing it off persistently with a pool brush didn't help. Any idea what it might be? See in the...

Hello all, So the weather is changing here downunder we're heading towards winter. The days are cooler, less sun, and the pool hardly get used. During summer, I used to run the SWG for 7 hours at 50% and that resulted with FC of 4.5 ppm. I have reduced SWG runtime to 6 hours (which means 1.9...

Hi All, Using a Taylor K2006 test kit, always I get: On TA tests the color changes more to pink rather than red On CH the first color change is more pinkish rather than red, and the end color is not blue but more violet Is that normal? The color changes occur at reasonable values (TA 70-80...

Hi all, I had an issue with algae about two months ago. Getting the Taylor kit and following recommendations on this thread I have set my SWG to 50% capacity. The last two tests have shown that FC is around 4-4.5 ppm, with CYA levels around 70-80 ppm, and CC has always been quite low (0.5 ppm...

Hello, I have just received my Taylor kit a few days ago and ran some tests. Now I did the test at night so I only had artificial colour, which may explain why some of the results looked a bit off to me (TA and CH), I will repeat the test again when there's still daylight but for now this is...

Hello all, I've been reading more about the different factors making up pool chemistry, and would appreciate some help with the questions below: - The definition of ppm is Parts-Per-Million. Millions of what? Water? Or is that just a notion of quantifying the percent of a certain chemical in...

Hello all, I wasn't too sure if this post belong in the algae section, but being that I'm also just getting started I thought maybe this is a better place. Apologies in advance for the long post! We have had our pool installed for about six months now, since the install we've had some ups and...