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my auto cover doesn’t completely block all light, my pool is also covered all the time we’re not using it, yet I still managed to get algae last year when the temperature and pool usage went up, and I didn’t adjust the SWG quickly enough to compensate for increased chlorine usage. this year I...

I wish I had not listened to the pool builder that suggested a bench in the pool, we never use it and it just takes away swimming space. I echo the comments, about adding empty conduits while you got things open, you can never get enough ...

The pH probe needs to be regularly calibrated using reference solutions, otherwise it can measure wildly inaccurate values. What are the active ingredients in your pH minus ? You want to use hydrochloric acid, not sulfuric acid, as it adds sulfates to water, see Muriatic Acid vs Dry Acid for...

I don't think it is a France thing - just it is not very common in Europe, this company in Spain is the only distributor in Europe I found.

I could be wrong, but my understanding is that approval if on the EU level, so should not be any different in France compared to Spain. However there are restrictions on what can be shipped by air, which is an issue for me in Cyprus, being an island practically everything is flown in. For you...

I purchased a Taylor 2006 from BEHQ S.L.U. - Químicos y productos para piscinas in Spain two years ago based on a recommendation from Test kits in europe I don't recall the details, but I probably used the email address there. When you order, ask for the 2006C that contain larger quantities of...

Probably just finished it’s cycle. The last two runs of my robot happened to finish on my steps too. Odd, but just a coincidence.

Progress, seemingly slow but certainly there. Hang in there, you will get there

Velkommen til TFP, det er en folk super hjælpsomme folk. Jeg har ikke nogen praktisk erfaring med above ground pools, men jeg er sikker på at der er andre der kan hjælpe her. Jesper, another dane abroad

it is safe to swim up to slam level, so as long as you are below that you can swim

Your video is marked a private it tells me

For 1 I found that with my old single speed pump I barely produced any chlorine, unless the bypass around the SWG cell was almost entirely open. After I changed to a variable speed pump, that I run at 1000 rpm, I consistently produce chlorine even with the bypass closed. I spoke with the...

I was looking at ordering this yesterday, along with a few other items that brought the total above $100, which I thought would trigger free shipping within the US. However, it still quoted me $12 for shipping. I replied to the email about the offer I got, but so far no response, so I thought...

I'm in Cyprus too, but got an auto cover for our pool, that it is closed most of the time. The cover is by far the best thing we did in our pool build, despite everyone, including the seller, trying to talk us out of it. It keeps most of the dirt out of the pool, mostly eliminates evaporation...

When you're SLAMing, there is no need for the FC measurement to be super accurate, so you can use a 5ml sample of pool water, each drop of reactant is equivalent to 1 ppm of FC. You can save reactants this way.

I've in the past added a floater with a tablet or two to ensure some chlorine is added while I'm away. It will add CYA, but if you only use it for a few weeks every now and then, I don't see it as a real issue - just be aware.

Thanks - my current pump is single phase single speed pump, I just ordered a variable speed pump that will be delivered in a couple of weeks. But if my existing pump had been 3 phase, this would have been a good alternative.

Got any links to the VFD/inverter you purchased ?

The extra ball valves are mainly there so I can isolate the circuit in case I need to remove the cell. If it produce bubbles, I don't see how it cannot produce chlorine. Are you sure, it is not because the FC is consumed faster than it can be produced ? You mentioned you had issues with...

That is essentially how mine is plumbed in. is a video of my setup I recorded for the vendor as part of my debugging

I've recently had similar issues with my SWG not producing anywhere near enough chlorine. After debugging with the manufacturer, we concluded that the issue was too high a flow rate through the cell. I too have a single speed pump, but I already had a bypass plumbed in, just the bypass valve was...

My channel has a 10cm x 10cm (4x4 inch) hole directly to the main drain for the house. No way a cover pump can overwhelm that...

I pump the water into the channel that the autocover rolls into, it has a drain for the water coming off the cover when rolled up, as well as rain water falling there.

Γεία σου Σταύρο Welcome to FTP, your english is good! Have you looked at Pool School - Trouble Free Pool, it is a great source of information.

I have my cover on at all times when we’re not using the pool, mainly to reduce evaporation and keep it clean. But as far as cooling, evaporation cools, so if the main goal is cooling you might be better off with the cover open. If you experiment, please let us know what you find.

I don’t run my pump for more than a few hours a day, I find if I run it during the day, then the pool temperature increases, if I run it at night it decreases. I imagine that running it during the day, means the surface water under my autocover that is heated by the sun is constantly getting...

Thanks for that, it is pretty hot here, day time peak temperature between 35-42 degrees C (95-107F) the past few weeks, average across day and night for the past two weeks is just under 30 degrees (86F). So for sure it will have lost strength - probably I'll assume it is 10-12% instead going...

It is not obvious to me why I have increased chlorine demand, I suspect I might have the beginning of an algae bloom, I've been losing 4-5 ppm of FC a day, when my normal is in 1-2 ppm range. I use an opaque safety cover, so the loss due to UV is minimal, especially as we usually use the pool...

Thanks for checking the numbers!

Thanks for looking. Attached a photo below, it says 150 gram/litre, I assume that is 15%, however even if it is less it doesn’t explain why two different pages of PoolMath gives different results. However it can explain why I didn’t see as large an increase in FC as I had expected.