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#1 |
Senior Member
Join Date: May 2010
Location: California
Posts: 1,012
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![]() ![]() Here is one I built. It is easy to build and does not need a pump, valves ... Since the water reservoir at the top is large the water level does not drop enough during a test to make any measurable difference in the results. Plus you can set the water level to whatever height you want. Bob |
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