It's addictive, a much funnier site than this...and a lot more handy tips...
"If you can, I think you will be much happier with ammo boxes. I think (and this is only an observation) that the plastic lunch type boxes do not allow the contents to breath. This may be why there is often condensation in them."
(Pete G. holding sweaty ex-Tarantula aloft, mutely nods in agreement).