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added editor's not to maintaining heat, warning against melting/warping plastic fermenters
===Tips on Maintaining Heat for Homebrewers===
Keeping the temperature as steady as possible for a pure culture ''Lactobacillus'' fermentation is not that important. Just try to stay in the range of the temperature best suited for a given species (see the [[Lactobacillus#Culture_Charts|''Lactobacillus'' culture charts]]). Here are some tips from MTF members on maintaining warm temperatures for sour worting <ref>[https://www.facebook.com/groups/MilkTheFunk/permalink/1279628395398705/ Tips from many MTF members on maintaining heat for sour worting. 04/07/2016.]</ref>:
:''Editor's note: please be cautious when using heat sources to heat plastic fermenters; PET bottles have been known to melt or warp when applying too much heat to them.''
* For metal vessels such as a kettle, keep it on the stove burner and turn the burner on when heat is lost.