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yetiman5150
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I use an RO/DI unit, and yes, you have to add back the minerals. The main issue is pH stability. You may be removing many things from the water but nothing that can't be added back fairly easily, especially those carbonates.I have been using the Reverse osmosis/de-ionized water in my grow for a couple of years. I have to use the di-ionization as I have a large saltwater reef aquarium. My water always reads at zero TDS. Am I potentially removing too many of the natural elements in my water?
I obviously supplement quite a bit of cal/mag, but wondering what else I may be missing in the equation. My grows have been decent, but there is plenty of room for improvement.
Any ideas?
Either way, glad i was referred to this network, I've learned more reading here than years of word of mouth.
That's if you can simply evaporate what's put in the system. There are a few things to be cognizant of. For one, pipes--they corrode, so water treatment facilities will add buffers to keep the pH stabilized upward. Chlorine can also do this, as can chloramine--these are the two primary antimicrobial products used in municipal water supplies. One can be aerated off (chlorine), one cannot (chloramine). That means you may have to use something to break the bond between the chlorine and ammonia. IIRC, citric acid works for this. I'm a fish-thing and we tend to use stuff like sodium thiosulfate.Thank you for the great input. I certainly did have pH stability issues when I was running DWC. I'll try that, assuming I should put an air stone in the tap water and let sit to evaporate everything added in the municipal water system?
Yetiman, this is where photos in good light can help us help you. Whole plant as well as closeups of the problems being observed.
That's if you can simply evaporate what's put in the system. There are a few things to be cognizant of. For one, pipes--they corrode, so water treatment facilities will add buffers to keep the pH stabilized upward. Chlorine can also do this, as can chloramine--these are the two primary antimicrobial products used in municipal water supplies. One can be aerated off (chlorine), one cannot (chloramine). That means you may have to use something to break the bond between the chlorine and ammonia. IIRC, citric acid works for this. I'm a fish-thing and we tend to use stuff like sodium thiosulfate.
Woodsman, I discovered my water has temporary hardness, the hardness level can be reduced by a full 40% just by boiling. Thing is, for tens of gallons it's not very efficient. Then you have to separate the mulm from the rest of the water, or the whole thing was just an exercise. Good reading, btw, thanks for posting that up. :)
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