I just finished a grow in my EB jr. Exceptional results. Mid grow I noticed the reservoir filling quickly and holding much less water. When cleaning the EB ,I saw a good amount of soil in the reservoir. My question: should I use some fabric to isolate the reservoir? @WildBill
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Yeah your run looked like it went real good.
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Yeah, it’s something that I haven’t seen others teach. Jeremy of BAS doesn’t teach it. He says it doesn’t matter, I disagree.
I install the plastic window screen on the media separator. All I do is cut it out and hot glue it in.
In my mind, it was just a measure to eliminate the possibility of a problem developing. It’s basically the same thought of keeping any nutrients out of the reservoir to avoid any problems from microbes going crazy in the reservoir water and then dying. That can flip the PH It caused all sorts of problems. You didn’t know it because I’ve done it 6 years ago and I failed to mention that one part to you. 
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