Homebrew PCBs

The local pool supply stores in my area stock it too.  It's actually
pretty cheap.  The ingredients listed are usually just hydrogen
peroxide and water.  They sell HCL pretty cheap too.

-- 
Erik L. Knise
Seattle, WA

On Wed, May 4, 2011 at 1:33 PM, designer_craig <cs6061@...> wrote:
>
> Fyi,
>
> Was thinking about growing some hydroponic tomatoes this year and took a
> trip over to a  local hydroponic supplier.  Hand't realized how big an
> industry this is these days.  But I am sure its not for tomatoes.  Well,
> there on the shelf nex to the Super Bud Juice and the Earth Gold Super
> Grow nutrients were quarts of  27% peroxide.  I didn't see the price and
> then forgot to ask.  Didn't have etching suplies in mind at the time.
>
> Craig
>