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SydneyGee posted a topic in Clay and Glaze ChemistryAfter all the fun stuff is gathered (kiln, wheel, tools, clay, glazes) and you are ready to throw your work into the fiery pit, what temperature should that pit be and how long should you bisque it? I have my favorite clays and glazes (I am using my professors kiln and wheel for now until I get my kiln at home figured out) but I have yet to get a good answer on the correct temperatures and times my bisque firings should be in the kiln. I have mostly been observing and creating the works with glazes while others load and monitor the kiln/firing process (plus they are massive front load kilns over 6' tall and 6' wide). Here is the scenerio: I am using Amaco No. 58 (a red clay). It is a cone 5 clay, but what temperature/cone and how long do I bisque it? I want to put a Cone 5-6 Amaco Shino glaze on it. I load the kiln with the glazed pottery and leave it in there at the setting of cone 5 for how long? I understand it sort of varies depending on the quickness and efficiency of the kiln, but what is the general rule? I am using Amaco No. 11 (a off white clay). It is a cone 5 clay. Same as above, what cone and how long do I bisque it? I want to put on a Cone 5-6 Amaco PC33 Iron Lustre glaze. Once the pots are glazed how long will it take in the kiln? I am just looking for general estimates and I chose simple clays with same-brand glazes to reduce the possibility of bubbling/bloating/other problems. I will be keeping a log and most likely be testing my kiln for quite a while before I delve into putting my better work in it. Any simple formulas would greatly be appreciated!