cedros Posted May 4, 2017 Report Share Posted May 4, 2017 Is anyone on this board familar with using UV light to sanitize pool water? Either in Mexico or up north. Link to comment Share on other sites More sharing options...
tomgates Posted May 5, 2017 Report Share Posted May 5, 2017 With the chlorine, waste of time to UV. Link to comment Share on other sites More sharing options...
cedros Posted May 5, 2017 Author Report Share Posted May 5, 2017 Don't be so sure tomgates. UV sanitizing may be the method of the future as it has many advantages over chlorine. Link to comment Share on other sites More sharing options...
Mainecoons Posted May 6, 2017 Report Share Posted May 6, 2017 It doesn't create a residual, hence there is no protection for any of the water in the pool except that passing through the UV sanitizer. It will reduce chemical usage. Google "UV for pool sanitation" to find many references and sources for the hardware. Link to comment Share on other sites More sharing options...
tomgates Posted May 6, 2017 Report Share Posted May 6, 2017 Here is an interesting review of the UV system. Since it is plumbed into the system after the filter, not sure how you would treat water you have to add because of evaporation. Anyway: http://poolservicema.com/product-reviews/uv-pool-system-reviews/ Link to comment Share on other sites More sharing options...
El Saltos Posted May 6, 2017 Report Share Posted May 6, 2017 Besides, to keep it clean via UV you'd have to run the pump a lot! Link to comment Share on other sites More sharing options...
cedros Posted May 7, 2017 Author Report Share Posted May 7, 2017 Just now, Mainecoons said: It doesn't create a residual, hence there is no protection for any of the water in the pool except that passing through the UV sanitizer. It will reduce chemical usage. Google "UV for pool sanitation" to find many references and sources for the hardware. I've done lots of Googling but I was hoping to hear from real people. Link to comment Share on other sites More sharing options...
cedros Posted May 7, 2017 Author Report Share Posted May 7, 2017 Just now, tomgates said: Here is an interesting review of the UV system. Since it is plumbed into the system after the filter, not sure how you would treat water you have to add because of evaporation. Anyway: http://poolservicema.com/product-reviews/uv-pool-system-reviews/ You would have to wait for the water to pass through the filters and UV system. Thanks for the interesting article. Link to comment Share on other sites More sharing options...
cedros Posted May 7, 2017 Author Report Share Posted May 7, 2017 Just now, El Saltos said: Besides, to keep it clean via UV you'd have to run the pump a lot! You would use a low "speed" pump. Link to comment Share on other sites More sharing options...
tomgates Posted May 7, 2017 Report Share Posted May 7, 2017 Amazon US will ship some models to Mexico. Link to comment Share on other sites More sharing options...
tomgates Posted May 7, 2017 Report Share Posted May 7, 2017 A variable speed pump is double the cost of a regular pump and the on going additional cost of electricity to run the pump 10-12 hrs vs mine running 4.5 hrs. Not sure if it is worth it. The salt water pool and the chlorine production it makes is a very comfortable water on both the eyes and skin. Link to comment Share on other sites More sharing options...
RVGRINGO Posted May 7, 2017 Report Share Posted May 7, 2017 UV for a pool would seem like a strange idea; like taking a bath in bottled water...... It is no longer “pure“ the moment you touch it. From that point onward, chlorine or bromine is needed; by whatever method you choose. Link to comment Share on other sites More sharing options...
Kiko Posted May 7, 2017 Report Share Posted May 7, 2017 Three pump options..single speed 115v or 220v, variable speed with chip on board ($), and two speed 220v with manual switch. Single speed uses the most electricity. Variable speed pumps are the most expensive to purchase. The. control boards do not do well here and are expensive to replace. The two speed pumps on low speed use the least electricity. You will need to switch to hi speed if you are pushing water thru roof mounted solar panels. Link to comment Share on other sites More sharing options...
El Saltos Posted May 8, 2017 Report Share Posted May 8, 2017 IMHO, not worth the expense. Link to comment Share on other sites More sharing options...
snowyco Posted May 9, 2017 Report Share Posted May 9, 2017 On 5/6/2017 at 8:16 PM, cedros said: You would use a low "speed" pump. Exactly right. In response to the OP's requests for personal experiences: We've successfully used UV sterlizers on large aquaria, spas, and small pools since the 1980's. Note that scientists have reported the residual disinfecting power of sufficiently large UV sterilizers. As long as your water does not have suspended sediments or lots of suspended organic matter (aka gunk or protein scum), then UV sterilization converts some of the dissolved Oxygen in the water into Ozone, which acts as a residual disinfectant out in the pool or spa. The residual ozone is a strong oxidizer that damages viruses & bacteria. Once the residual ozone reacts with organic matter in the bulk water, it is converted to hydroxide radicals, which also act as residual disinfectants. For these reasons, our aquaria, pools & spas with UV disinfection have consistently smelled 'sweet' for the last 30 years - due to the low levels of residual ozone in the water. With an adequately large sterilizer, there has been enough residual ozone in the water to even kill algae in the surrounding nearby damp areas - outside of the underwater areas. To remain effective, UV sterilizers do require 2 bits of maintenance. 1) The amount of UV output decays over time, so, it is important to replace the bulbs at the manufacturer's noted frequency (typically once a year). 2) The wet surfaces of the quartz sleeve(s) of the UV sterilizer can accumulate 'gunk' over time, and can require wiping~cleaning. Re El Saltos' comment about 'not worth the expense': I'd agree that a good ozonator, paired with a good circulator pump & Mazzi injector, is a far better and far less expensive option for pools & spas. Link to comment Share on other sites More sharing options...
M&C Posted May 18, 2017 Report Share Posted May 18, 2017 In Florida we bought a salt chlorine generator from Amazon for about $200 or so plus used the UV (Ozonator) light. Much, MUCH less chlorine use and much cleaner water. Most home water purification systems use the UV. Link to comment Share on other sites More sharing options...
bmh Posted May 20, 2017 Report Share Posted May 20, 2017 I had a kpi pond with UV and had to run the pump most of the time.. I just cannot see doing that here with the cost of electricity.. Link to comment Share on other sites More sharing options...
M&C Posted May 23, 2017 Report Share Posted May 23, 2017 We ran our pool pump about 6 hours per day for a small in-ground pool Link to comment Share on other sites More sharing options...
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