TIYX

Recipes 

I have some Heineken and genesee bottle I what to reuse so does any one know what sizes of caps will find on these 2 different kinds of bottles?

mordantly

Recipes 

they should be a standard 26mm crown cap.

malkore

Recipes 

aye. unless its a true import beer, it should be the same as any US produced pop-top bottle.
In fact the only references I've seen in catalogs for different size caps were for belgian lambic bottles, which are a thicker glass and often corker, then capped. I think these caps are a little larger.

I cap guiness draft bottles and heinies with normal caps, no problems.

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Malkore
Primary: English Mild
On tap: Pale Ale, Lancelot's Wheat, English Brown Ale, Steam Beer, HoovNuts IPA
Bottled: MOAM, Braggot, Raspberry Melomel, Merlot, Apfelwein, Pyment, Sweet mead, Cabernet
Gal in 2009: 27, Gal in 2010: 34, Gal in 2011: 13, Gal in 2012: 10