Hi all
I insulated the boiler and the inlet pipe of the thermosiphon circuit on my expobar leva single boiler.
The result was good when I brewed 70% arabica + 30% robusta coffee , but now that I am using 100% arabica I cannot get so much crema and the taste is kind of bitter.
Inlet pipe insulation will result in higher group temp (however more stable and less influenced by actual ambient temp).
My idea is that this temp. increase may have been acceptable with the previous beans but not whith 100% arabica.
Whats your opinion, can you confirm this may be due to inlet pipe insulation (then Ill remove it) or maybe its just a characteristic of 100% arabica not making so much crema ?
thanks!
I insulated the boiler and the inlet pipe of the thermosiphon circuit on my expobar leva single boiler.
The result was good when I brewed 70% arabica + 30% robusta coffee , but now that I am using 100% arabica I cannot get so much crema and the taste is kind of bitter.
Inlet pipe insulation will result in higher group temp (however more stable and less influenced by actual ambient temp).
My idea is that this temp. increase may have been acceptable with the previous beans but not whith 100% arabica.
Whats your opinion, can you confirm this may be due to inlet pipe insulation (then Ill remove it) or maybe its just a characteristic of 100% arabica not making so much crema ?
thanks!


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