Hop filter hole size

[StewarmUK]

I have almost completed the construction work on my 3 vessel SS AG kit but have a question regarding the recommended hole sizes for the hop filter in the boiler.

I have constructed a square manifold out of 15mm coppper tube and drilled many 2mm holes in the bottom edges of the tube. I am sure that I have read that 2mm is the size to use BUT I have also read a thread on here recently that suggested that 3-5 mm holes would be better.

Do I leave them as 2 mm or should I enlarge them ?

Thanks
Bob

 

[joe1002]

I would leave them as 2mm. You can always increase them after your first brew if you need to.

 

[tazuk]

i use this for hop filter in boiler never let me down yet

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and this for mash tun all cut with junior hack saw

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[pittsy]

2mm for me , plenty of em . Changed many things in my set up but never changed my copper hop strainer with 2mm holes , never needed to .

 

[dennisking]

I would have thought more than 2mm you would start to get hop particles come through.

 

[StewarmUK]

Thanks all, 2mm it is then. :thumb: