How about those used oil plastic containers at most FLAPs, They are
flat, about 6-8" high, have a plastic grate that you could cut a hole
to insert the hose into, & have a cover that closes when you want to
remove,  carry to a dump site?

Pax,

Tom

On May 29, 2007, at 4:49 PM, Mike "Rocket J Squirrel" Elliott wrote:

> I've been using a little 2-1/2 gallon collapsible jug under Mellow
> Yellow to catch sink drainage. http://tinyurl.com/yryy6u is the
> item. I
> have a foot-long piece of garden hose that screws to the drain outlet
> and dangles into the jug. Problem is, in gusty winds, when the
> thing is
> empty or mostly so, it can blow away or at least slide enough so that
> the hose pulls out. In our neck of the woods, letting your gray water
> spill all over the pad where the vehicle is meant to be kept is
> considered bad form. I was thinking that there might be something
> flatter -- like a bladder of some sort -- that could hold the gray
> water. I've found plenty of gray and potable water bladders -- in the
> 100 gallon and up size. Anyone know of small bladders that might
> accept
> a garden hose or similar?
> --
>
> Mike "Rocket J Squirrel" Elliott
> 71 Type 2: the Wonderbus
> 84 Westfalia: Mellow Yellow ("The Electrical Banana")
> 74 Utility Trailer. Ladybug Trailer, Inc., San Juan Capistrano
> KG6RCR