Build your support structure from a sawhorse kit and some 2x4's. Although saw horses make a simple and inexpensive support structure, there are many alternatives available including using 2" PVC pipes in the same fashion as outdoor furniture. Screw 2" drywall screws into the stand as shown to keep the chambers from rolling adjust their heights for proper drainage. Use drywall screws which have a very coarse thread, this will allow quick adjustment. It is important if there is a very slight decline from the spray end of the 4" chambered system to the reservoir/drain end. This is not necessary on the 6" system.
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