Gray Water tank crossover to sewage tank

[Jon]

My coach seems to have a very small sewage tank and when in a park
that
> does not have sewage hook-up it fill up fast! Now I was wondering if
> any of the newer coaches have cross connects to use gray water tank
for
> sewage also. Or has anyone here made up a system so they could both
> tanks at once ? And lastly has anyone installed another tank for the
> main sewage waste overflow?. Thanks Jon

PS. I think my sewage holding tank is probably around 36 gallons and my
gray one maybe 40 to 50 gallons

Jipjob@...
1978 Wanderlodge (Rebel Bird)
Bremerton Washington
http://i2.photobucket.com/albums/y4/1942...aru005.jpg