DRY UNDERFLOW FAQ

Q) What is Dry Underflow?
A) A way to achieve "item underflow" in Pokemon Red/Blue/Yellow without the use of a drink item.

Q) Is it faster than the original item underflow method?
A) Yes because you don't have to go buy a Fresh Water so you can skip Celadon Mart altogether. The menuing itself is also a little faster than normal Item Underflow (probably)

Q) What categories does this change and how much time does it save?
A) It should save about 1 minute in Blue NSC and 6-8 minutes in Yellow NSC. We don't know the exact impact it will have in 151 categories yet.

Q) How do I do it?
A) Here are some detailed instructions for you:

Requirements:
2 tossable items without 255 quantity
1 tossable item with 255 quantity
NO KEY ITEMS IN INVENTORY
 
Method:
Order items so that your 2 tossable items are in slots 1 and 2 and 255 item is in slot 3
Toss everything below the 255 item
Toss the top two items so you have 3 255 items
Swap items 1 and 2 and slot 2 will become 99 (x5, 99, 255)
Toss all but one of item 1 (1, 99, 255)
Swap item 2 and 1 (99, 1, 255) (YOU MUST SWAP 2 with 1 NOT 1 with 2, THIS IS THE ONLY PART YOU MIGHT SCREW UP)
Toss all but one of item 1 again (1, 1, 255)
Swap item 1 and 2 (2, 255)
Swap item 1 and 2 again
 
UNDERFLOW ACHIEVED!