If you find yourself in a situation where you need to fill your RV water tank without a hose, there are a few things you can do.
One option is to use a clean bucket to fill up your tank.
Another option is to use a water bottle with a straw. Simply insert the straw into the water tank and suck the water up into the bottle.
Finally, you can use a clean rag to soak up water and then wring it out into the tank.
By following these simple tips, you can fill your RV water tank without a hose!