Bollocks it does. Well, the tiny bit at the top, yes, but I would think that @lespaul is talking about the clearly visible vertical strip of discolouration. It looks a lot like heat discolouration that you see in SS pots when they are heated on the stove too much without anything in them.Just looks like wort dried on to the side of the malt pipe, cleans off easily.
I didn't even notice the scorch mark not something I would have been looking for, very odd.Bollocks it does. Well, the tiny bit at the top, yes, but I would think that @lespaul is talking about the clearly visible vertical strip of discolouration. It looks a lot like heat discolouration that you see in SS pots when they are heated on the stove too much without anything in them.
Was there anything different about this brew for you @lespaul ? Higher or lower volume, certain water profile, pH, etc.?
Yes your right it is normal to get it on the bottom, I have found it to be worse if using a fair bit of flaked maize.I’ve been getting the same discolouration but on the bottom of the kettle. Did nothing unusual was standard brews, water additions and heating regime. Figured it was normal heat discolouration.
Did you have the hop spider in?Had another brew day. Single infusion to simplify things, set power to 1000w for the mash and worked a treat, no scorching!!!
Did still end up with heaps of floaties in the boil so I genuinely have no idea. I replaced the bottom screen and there is still a bit of a gap so maybe its the malt pipe. Will have to sort it out for the next brew. Other than that worked a treat.
At the end of the brew day I did notice this on the side of the malt pipe. No idea what could have caused it, any ideas?View attachment 114637
Agreed, in 30+ batches in my 1V rig made from the cheapest 1mm pots I never got any scorching or discolouration... Up to my 5th brew in the Robobrew 65 and the malt pipe still looks brand new.How is heat discolouration normal? There shouldn't be enough heat around the malt pipe to do anything like that. I can't speak about consealed elements with wort, but have never had heat discolouration in my sparge urn or in any of my SS equipment in my 1V system. Sounds more like chemical reaction. Does it clean off with either a green plastic scourer or acid?
Agree totally. I have had some scorch marks on the base, but easily cleaned off. Never had any elsewhere or heat discoloration.I've done 5 brews in my 40L Guten so far and there is certainly no scorching of the malt pipe, and shouldn't be at the temps we mash at. I agree with Wobbly, sounds more like a chemical reaction to me, did you clean with system with PWB or similar before you began brewing with it?
Why no top screen?1st brew for the new year, not done a SMASH for a while, so a SMASH it is. American pale ale Smoke Stack Lightning. 5.5KG Viking pale ale malt and Styrian Wolf hops (hence the name)
View attachment 114721
No sparge 21 litre batch, mash in to 32 litres of water.
View attachment 114722
Half way through the mash, no top screen, as you can see the grain is in suspension, no worrying about channeling.
I have an idea that when the Chinese started making the SVB's maybe they had a look at the BM which has to have a top screen as the pressure pushes up against the top screen. If I didn't have the handle holes blocked off with the all thread I would possibly use the top screen but it does compact the grain bed. If the return pipe is proud of the liquor then some silicone hose will stop any fear of channeling, in this photo you can see where the grain bed comes up to because of the 'tide mark', more a less floating grain bed should theoretically, give a better conversion.Why no top screen?