40 gal.res.

Discussion in 'First Time Marijuana Growers' started by psychoticj, Jul 25, 2007.

  1. I bought a 40 gal. res. and noticed there is not a mark to where 40 gals. would be. I was wandering how you know where to fill the res w\o having to add gal. by gal. Thanks in advance.
  2. no one has an answer? does everyone just guess as to how full a res should be?

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