All local chlorine is testing at 6.5% max despite being marketed as 14/15%. Alternatives not containing CYA?

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Gasolina

Well-known member
Sep 7, 2013
51
Tarano Lazio Italy
IG, vinyl, 90000litres, 2 sock filters, liquid bleach TFP system
Am testing all chlorine on arrival, before use with the Taylor K-1579 Chlorine test kit. Despite being marketed as 14/15% none is reading above 6.5%. I am looking for an alternative source of chlorine not containing CYA as this is costing me a fortune and it is too unreliable.
The other alternative is maybe to convert to a salt water system. Could anyone advise me what to do please. How difficult is it to convert from one to the other? What are the actual physical changes necessary? How much space is needed. Our pool is an in ground vinyl Dejoyeaux pool 12x5 metres plus 2m wide steps at shallow end, with a tiled surround. The single pump is in a pump housing at the deep end and the controls are in the adjacent garage.
Thank you in advance for any help.
 

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Hello! :wave: A Salt Water Generator (SWG) would be ideal. The only changes required is having a place in the plumbing to install the SWG cell, and an electrical source for power. Then you have to add salt of course. Looks like you have one of those plumbing/equipment tubs, so space may be limited, but still worth pursuing. You might want to start with Discount Salt Pools online and go to their SWG comparison page. Lots of great info there. When shopping, be sure to look for an SWG that is rated for at least 2X the size of your pool. As an example, my SWG install is linked in my signature. Hope that helps.
 
The OP is located in Italy and needs to shop SWGs suited for her countries power.

What filter do you have and where is your filter located? Show us pics.
 
Gasolina said:
IG, vinyl, 90000litres, 2 sock filters, liquid bleach TFP system
Am testing all chlorine on arrival, before use with the Taylor K-1579 Chlorine test kit. Despite being marketed as 14/15% none is reading above 6.5%. I am looking for an alternative source of chlorine not containing CYA as this is costing me a fortune and it is too unreliable.
The other alternative is maybe to convert to a salt water system. Could anyone advise me what to do please. How difficult is it to convert from one to the other? What are the actual physical changes necessary? How much space is needed. Our pool is an in ground vinyl Dejoyeaux pool 12x5 metres plus 2m wide steps at shallow end, with a tiled surround. The single pump is in a pump housing at the deep end and the controls are in the adjacent garage.
Thank you in advance for any help.
Click to expand...
Another option is to substitute with Cal-Hypo (Calcium Hypochlorite) if your Calcium Hardness levels are under 200ppm and then switch out of Cal-Hypo once you get to 350ppm.

You can purchase the granular in packs. So if you bought 24 packs at 1 lb each, it might be cheaper than buying the liquid chlorine.
 
Last edited:
That is a nice Taylor kit to test for % chlorine.
What mfg of saltwater chlorine generators do you have access to in Italy?
The plumbing is straightforward if you have room. Maybe a better picture of your plumbing now.
 
cledee said:
Another option is to substitute with Cal-Hypo (Calcium Hypochlorite) if your Calcium Hardness levels are under 200ppm and then switch out of Cal-Hypo once you get to 350ppm.

You can purchase the granular in packs. So if you bought 24 packs at 1 lb each, it might be cheaper than buying the liquid chlorine.
Click to expand...
Thank you for your reply. Sadly my CH is 350 already!
 
HermanTX said:
That is a nice Taylor kit to test for % chlorine.
What mfg of saltwater chlorine generators do you have access to in Italy?
The plumbing is straightforward if you have room. Maybe a better picture of your plumbing now.
Click to expand...
Sorry to be so late in replying. We are not in Italy at the moment but I will find out the makes/types of saltwater chlorine generators we can get and come back to you.
We have also been told about an oxygenation system which would be on a par cost wise with liquid chlorine. This apparently would be in 20 day periods, interspersed with usual chlorine and ph adjustment for a few days in between. Any views on this system?
 
Texas Splash said:
Hello! :wave: A Salt Water Generator (SWG) would be ideal. The only changes required is having a place in the plumbing to install the SWG cell, and an electrical source for power. Then you have to add salt of course. Looks like you have one of those plumbing/equipment tubs, so space may be limited, but still worth pursuing. You might want to start with Discount Salt Pools online and go to their SWG comparison page. Lots of great info there. When shopping, be sure to look for an SWG that is rated for at least 2X the size of your pool. As an example, my SWG install is linked in my signature. Hope that helps.
Click to expand...
Hi Again,
Thanks for your advice. Yes we do have a plumbing tub. I did wonder whether we would have the space for a SWG. I’ll follow your advice and have a look at Discount Salt Pools on line- although we may have much more limited options in Italy.
 
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