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Comment by Vlad Jovanovic on June 28, 2013 at 9:57am

We all do :) The opportunity for learning is what makes this all so enjoyable...plus you get food out of it hehe...

@Jon... Wow! 5 bucks for a cucumber...sheesh. Ours go for 250 RSD a kilogram (about $2.35 US). "Regular" cukes sell for slightly under a buck a kilogram (2.2lbs) here...

Comment by Shaun Mavronicolas on June 28, 2013 at 9:25am

Great, many thanks for sharing that info, your cucumbers are really doing well! I've some learning to do ;-)

Comment by Vlad Jovanovic on June 28, 2013 at 9:21am

Right-O Jon. KCl is how I do it without affecting pH.

There 2 plants in each of these 4 grow beds. Each pair gets a slightly different treatment in the top layer of the 'dual root zone' set up, so there is a little bit more going on here than meets the eye...I've got sort of a running grow log in on this method http://community.theaquaponicsource.com/group/fish-less-systems/for...

if anyone is interested...

Comment by Jon Parr on June 28, 2013 at 8:57am

Beautiful, Vlad. Those fetch $5 each here at farmer's markets. 

Shaun, I'll let Vlad answer your question, but I do it with potassium choride, KCl, water softener salt.

Comment by Shaun Mavronicolas on June 27, 2013 at 5:19pm

Vlad, would you mind sharing how are you managing to keep potassium levels up without adding nitrates (potassium nitrate) or  pushing the pH (potassium bicarb)...?

Many thanks,

Shaun.