Hi All,   So one of our key costs as a hub is of course filament and we've longed to try and find a way to reduce this cost - like other smaller hubs we found that it isn't really viable to buy in bulk from the manufacturer in the quatities they want to sell and the cost of filament from 3rd parties and suppliers really hurts our profit margin - So...  
I'm having trouble running pva on my dreamer. When l feed it into either of the heads the drive just keeps clicking and nothing much comes out of the excluders. I have try running from temperature from 190 To 240, at 240 the pva did start to come out of the excluder, but the clicking did as well. Anyone have any ideas? Can you get faulty PVA.