UV light and chelated ferts? - The Planted Tank Forum
 
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post #1 of 2 (permalink) Old 05-22-2018, 02:09 AM Thread Starter
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UV light and chelated ferts?

So in another post there has been lots of discussion on the use of UV. While reading, I came across this

"Many medications can be "denatured" by the UV light, so the sterilizer should be turned off when using medications, especially chelated copper treatments. The UV light will "break" the bond of the chelating agent, and the aquarium will have a sudden, lethal concentration of ionic copper."

Source: UV Sterilizers Control Bacteria and Algae | Animal Planet

This got me thinking about chelated iron and if the UV light will break it down and render is useless? Still looking for more sources to validate and this forum is one of those sources!

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post #2 of 2 (permalink) Old 05-23-2018, 11:36 AM Thread Starter
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Here is a thread that I found from 2006 on this topic. Seems that UV will break the chelating agent. Interesting read. I'll continue to only run UV for 24 or so hrs after maint/ WC, otherwise will keep it off.

https://www.plantedtank.net/forums/8-...onclusion.html



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