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originally posted by: olaru12
During my undergrad days we built an Isolation tank as a project for credit in the Psychology dept. Ours didn't look like the one pictured as the one we made was fiberglassed, marine plywood, heated with an electric water heater element, but worked exceptionally well.
Very trippy...vivid, animated, and sometimes very frightening hallucinations.
We also did the ping pong ball Ganzfield goggles as well; both worked but the float tank in complete darkness was fast and much more pronounced.