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Installing the Plumbing, Bricks, and concrete Planter for the grow towers in the DWC tank 1

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Comment by Chris Carr on June 2, 2012 at 4:35pm: Id love to make it this year but next year may make more sense. I haven't actually started an AP system yet and it wont make sense until after I move at the end of the year. There is enough stuff growing outside to tie me over until then. The forum reading obsession will have to do for now and I agree, it is a great community with a lot of helpful people

Comment by Greg McCord on June 2, 2012 at 4:11pm: Wasn't't taking it that way. Big fingers on a tiny phone :P

Comment by Greg McCord on June 2, 2012 at 4:09pm: Hey Chris, oh no I was taking it that way :D and your absolutely correct as an alternative solution. And thank you very much for the kind words on our website. I hope you will be at the fall conference in Colorado. We love this community site very much and hope to make lots of new friends. Greg

Comment by Chris Carr on June 2, 2012 at 3:22pm: I wasn't suggesting you were wrong, just that IF something like that was an issue, that's a possible alternative solution to it :) Those are some beautiful ponds in your client gallery, including this one you are building now of course.

Comment by Greg McCord on June 2, 2012 at 3:01pm: Chris, that liquid rubber, blue max is great stuff..we have used it.to seal leaking fountains. We had customers who had formal, concrete fountain basins that had cracked over time and begun to leak. We used that product to seal the leak. We have never had to use it to make a concrete pond safe for fish due to PH issues,etc..our company is WWW.serenitywatergardens.com

Comment by Greg McCord on June 2, 2012 at 2:51pm: Whoops, that's Koi ponds...

Comment by Greg McCord on June 2, 2012 at 2:49pm: No, you only need to treat it one time with acid and your done. My full time Jo b is building Lou ponds. We have been building for almost 20 years now with mortar and boulders. Once you do the muratic acid treatment, that's it, your done. Our ponds keep a constant ph level of 7.0 its the lime in the mortar that leaches out, but once you treat it with the acid, your OK. No rubber coating necessary.

Comment by Chris Carr on June 2, 2012 at 1:24pm: If it really was an issue long term, I believe someone said this liquid rubber material was fish safe. You could always coat it afterwards to minimize exposure to the water. http://www.amesresearch.com/bluemax.htm

Comment by Jon Parr on June 2, 2012 at 1:00pm: Hmm. Thankyou. That is good to know, and is contrary to everything I've read. Acid will certainly neutralize it for a while, but I was under two assumptions, 1-cement will perpetually raise pH, and 2-any acids used to lower pH, including nitrification, will erode the cement, slow but sure. How long has the system been exposed to cement and what is the pH? I'd sure like to concrete, so versatile. Thanks

Comment by Greg McCord on June 2, 2012 at 10:20am: Hi Jon, no problem on the mortar or ph issue. We know to fill the tank with water and add 1/2 gallon of muratic acid and soak for 24 hours. Drain and re fill with clean water, and your good to go.