Originally Posted By: John F
I think force only depends on depth of the water, not volume. The top few feet of water in a large reservoir exerts relatively little force on the dam. If he only glasses off the top two or three feet, not much force is involved. That's why extremely deep ponds need a thicker clay liner than shallower ones; the most pressure is at the bottom.


I wonder how thick this "glass" is?

I've seen it and it's impressive!!!!!

Monterey Bay Kelp Forest Aquarium

www.hoosierpondpros.com


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3/4 to 1 1/4 ac pond LMB, SMB, PS, BG, RES, CC, YP, Bardello BG, (RBT & Blue Tilapia - seasonal).