Cool Room Drainage

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Well-known member
Mar 9, 2008
Greenfield OH
I'm constructing a new cool room, and am planning on putting in a gravel base with perforated tile, probably spaced about a foot apart for the full length of the room.

Has anyone used a similar system for drainage, and what tips do you have while I am still doing the work?  Type of stone / use of any sort of fabric / depth of tile / etc.

Also, anyone familiar with a product called "Cool Bot?"  It is an electronic device that is supposed to convert a typical residential air conditioning unit to a refrigeration type system, capable of much cooler room temperatures.