Gin Posted March 11, 2022 Report Share Posted March 11, 2022 (edited) Recipe is : M200 46.10 Silica 19.7 Gerstley 13.5 cal carb 8.20 dolomite 5.9 zinc oxide 3.9 can I substitute Custer Feld for M200 1:1 or do I need to adjust ? oxidization cone 6 Edited March 12, 2022 by Min Title edit by Min for clarity of topic Quote Link to comment Share on other sites More sharing options...
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