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@Tanner R., you can definitely use other glass in the Fuseworks kiln, we have had success with many types of glass. As long as you know what COE you are working with, and be careful not to mix your COEs. We have never used leaded glass in the Fuseworks kiln. I would suggest checking with the manufacturer, they should have information regarding the lead content of their products.

Can you use other brands of glass besides Fuseworks in the Fuseworks microwave kiln? My main concern is the possible lead in the glass and it being in a microwave. I have a dedicated microwave so it will not be used for food.

@Cheryl D. The freezer might be your answer! Place in there for several hours and then pound face down. Unfortunately with casting molds, sometimes the glass will find a nook or cranny not completely coated and it will grab on and wreck your mold!

I purchased some of these molds. The first try I put 5 coats of kiln wash on the mold, measured the frit and fired it with the pre set on my kiln. I'm not sure if it was exactly what was on the mold instructions, but when it was complete my glass was stuck in the mold. Can you tell me what to do to get it out without breaking my mold? I thought I might put it back into the kiln, heat it up and see if I can unmold it. Or even put it into the kiln upside down and hope the glass falls out.

need information about the molds purchased last week, drop, oval and circle molds

I just received my order for 2 piece drop mold. ring #806143 and foot #80719. Has anyone used these? Need to know firing schedules for these molds and any helpful suggestions.

@chatita362011, try the the Glastar Circle/Strip Cutter, item #5113. www.delphiglass.com/glass-tools-sale/saws-cutting-systems-sale/glastar-circle-strip-cutter?source=SM

Ilike to buy a glas stripper and circle cutter

in your article on solder you forgot to mention that 60/40 solder has a higher tin content than 50/50.and tin is what takes on the patina it is better to use 60/40 if you want a better patina

I recently fired some glass in my Jen Ken kiln and for the first time I am getting 1/2" bubbles in various areas of the pieces. I used 2 layers of glass, some with clear on top and some with clear on the bottom. I've adjusted the firing schedule to 300 to 1000F - hold .30 - 300 to 1450F - hold .10 - full to 960F - hold 1.30. Still getting bubbles. Never had this before - any suggestions to avoid these? Also, is there a way to save these pieces? I have pierced the bubbles - can I cover the glass with a layer of clear frit (medium) and refire?