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http://www.BigelowBrook.com/donate This is the easiest and cheapest way I've found to eliminate powder mildew on my plants. It has never failed me! I'm doing...

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Comment by Alex Veidel on August 7, 2013 at 8:17am

Thanks for this video! I just found some mildew on my squash and tomatoes; I'll give it a try.

Comment by Vlad Jovanovic on November 30, 2012 at 2:34pm

Hehe, with the temps we've been having, sweating is no longer a problem...I doubt that those amounts of Na could ever even be problematic, considering many aqaupons salt there systems regularly with NaCl to 1ppt with no ill effects. (Besides, Na and K are somewhat interchangeable in plant (and human) biology...and fish use both for osmotic regulation. So sweat and spray away

Comment by Rob Torcellini on November 30, 2012 at 2:17pm

Thanks.  Someone else had mentioned the potassium bicarbonate so I added a little caption in the video as an alternative.  The potassium is actually a good option since it can double as a foliar.  Technically the sodium bicarbonate would add trace sodium into the system....  In my case, less than a tablespoon sprayed onto the leaves for 3000 gallons?  I probably drip more sweat into the system when I'm working over it.  

Comment by Vlad Jovanovic on November 30, 2012 at 1:59pm

Great video Rob. I've also used potassium bicarbonate with success. (Really anything that will raise the surface pH of the plants leaf should work against fungal pathogens...I've used sodium hydroxide NaOH; and potassium hydroxide KOH as well, diluted to about a pH of 8.2- 8.5 or so). I think the sodium bicarbonate (baking soda) that you use, and/or the potassium bicarbonate are safest though. If you don't accurately dilute the hydroxides you'll fry your plants, and nobody wants that...but they do work.

Comment by Rob Torcellini on November 30, 2012 at 1:07pm

I've tried the milk solution too...it didn't do anything.  :(  Some people said use skim, some said whole milk and I didn't notice any difference with results.

Comment by Sahib Punjabi on November 30, 2012 at 1:02pm

Great...I also use regular milk - dilute it 90%+. It also seems to work well.

God bless

Comment by Taylor Schlosser on November 30, 2012 at 10:05am
Thanks, I'll give it a try
Comment by Ryan Chatterson on November 30, 2012 at 9:22am
Nice vid man!

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