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Re: [Homebrew_PCBs] Etching tank, build or buy?

2007-11-24 by Dave

Harvey White wrote:
 >
 > On Fri, 23 Nov 2007 15:32:04 -0600, you wrote:
 >
 > I have a commercial tank, GBC, I think. I would not buy it again.
 >
 > It has:
 >
 > 1) fitting lid
 >
 > 2) no heater (supply your own)
 >
 > 3) solid plastic molded everything
 >
 > 4) bottom molded plastic holder with bubbler tube
 >
 > 5) threaded nylon rod to pull out the holder and tubes
 >
 > PROBLEMS:
 >
 > 1) holds a lot of etchant
 >
 > 2) rod broke at the bottom, stress, etchant, whatever
 >
 > 3) not a good seal at the top
 >
 > 4) holds 1 1/4 gallons of etchant.
 >
 > Making my own holder from some fiberglass/nylon rod and making a
 > bubbler tube by drilling cheap fish tank tubing works well.
 >
 > Bread container from WalMart seals better than commercial tank with
 > tubing holes....
 >
 > Bread container needs less etchant
 >
 > CONS: Bread container will etch only one board at a time if the board
 > is large enough (say 5x7).
 >
 > Harvey

Harvey,
  Your website is great. I have been reading and finding answers to some 
of my other questions as well. Of course it will be 30 years before I 
catch up but I will take what info I can absorb for now :)
Cheers,
Dave

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