https://www.vetnurse.co.uk/f/clinical-discussions/31237/quick-question-about-the-bain-always-learning I may be 100% wrong here but i was always taught a Bain has a 1litre reservoir bag for those patients 10-15kg then a 2 litre bag on the Bain for those over 15kg and too small for the Lack.......Although, now when i buy a new Bain it comes with a 2litreen-USTelligent Community 10https://www.vetnurse.co.uk/thread/172716?ContentTypeID=1Sat, 21 Jul 2018 21:24:57 GMT1a0763ec-3885-442c-853e-6cef656dfec5:bb3f3039-ef69-4897-94e1-7f614d0e4476Courtney Scales<p>I&#39;ve not used it with a 1L bag, and pretty much just use 2L for everything!</p><div style="clear:both;"></div>https://www.vetnurse.co.uk/thread/172713?ContentTypeID=1Fri, 20 Jul 2018 17:49:16 GMT1a0763ec-3885-442c-853e-6cef656dfec5:ecb75c28-d8a7-4c99-9164-f8d8e1e22758Suzanne Hall<p>We use a Bain that we can use (and do) a 1 litre bag. We usually calculate what is required and fit bag size accordingly. Not had any issues. I think when we bought the Bain it did come with a 2 litre bag.</p><div style="clear:both;"></div>https://www.vetnurse.co.uk/thread/172711?ContentTypeID=1Fri, 20 Jul 2018 13:09:33 GMT1a0763ec-3885-442c-853e-6cef656dfec5:43e1f0f9-4c90-4970-9b2d-7fae6e718b46Nick Shackleton <p>I&rsquo;ve never seen a Bain with a 1 litre bag on it if I&rsquo;m honest.&nbsp;</p><div style="clear:both;"></div>