/challenges-projects/design-challenges/vertical-farming/b/blog/posts/update-and-weekend-planThe ram pump with waste capture and feedback ended up being a total bust, although it did actually work. The issue I had in using this was with the amount of additional nutrients that would have been required, given the size of the pressure chamber aen-USTelligent Community 12https://community.element14.com/challenges-projects/design-challenges/vertical-farming/b/blog/posts/update-and-weekend-planSat, 26 Sep 2015 20:39:31 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:14196045-869b-4dbb-b3fa-c49f9b902fddDAB0<p>Now you know why they call it a challenge.&nbsp; <span>[View:/resized-image/__size/16x16/__key/commentfiles/f7d226abd59f475c9d224a79e3f0ec07-14196045-869b-4dbb-b3fa-c49f9b902fdd/contentimage_5F00_1.png:16:16]</span></p><p>&nbsp;</p><p>DAB</p><img src="https://community.element14.com/aggbug?PostID=525&AppID=120&AppType=Weblog&ContentType=0" width="1" height="1">