More Bottles!!!
If you want more Bottles, here's what you do:
In order to get more Bottles, you're going to have to sacrafice Items, so I suggest using your depleted Magic Beans and you Biggoron's Sword Claim Check.
Go to a place where you can Bottle Fish, swing a Bottle at the Fish and immediately after hitting the C Button for Link to swing the Bottle, HIT START and switch the Bottle Item for the Item that you want to make a Bottle (like the Magic Beans or Claim Check) and voila - another Bottle!!!
We have more cheats and tips for this game here, The Legend of Zelda: Ocarina of Time / Master Quest cheats
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