My main source for buckets is the bakery dept at the local Sams Club. There are many plans available for the 5 gallon SWC. I'm using the two bucket system, while others swear by the single bucket system. I use a 24 oz yogurt container as a wicking cup. This gives me a reservoir about 4.5 inches deep which contains a little over 1.5 gallons of water.
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