G
Guest
Are anathema to each other,cool word huh lol?Seriously whether its a single or dual hose portable,it will rob your room of co2.Believe me I had a dual hose with the intake through the wall to another room and the damn thing still robbed me of co2!It just wont work so I suggest never trying it.I grew for too long with my portable wondering why my growth and yields seemed so average,when co2 is dialed in correctly there is a visable difference in growth speed I can tell you that!I just dont want anyone to make the same mistake I did,I'm 100% sure about this having done many many tests with and without my portable.500 bucks down the drain lol,glad my new window unit can carry the load!