Thanks to Casper for partnering with me! Go to and use code backyard for $50 towards any mattress purchase!
My girlfriend’s channel – SandraSays
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Website:
Cameras I used in this video:
Highspeed camera- Chronos 1.4
Main Camera – Sony RX 10 ii
Secondary Camera – Sony RX 100 IV
Tertiary Camera – GoPro Hero 4 Black
My new foundry is made from:
Insulating firebrick – GREENTHERM 26 LI
High Temperature mortar – GREENPATCH-421
Bio-Soluble Ceramic Blanket –
I highly recommend looking for a HWI distribution center near you. They sell to individuals, and because they make the refractory materials the price is dirt cheap, like $36 for a 12 pack of insulating firebricks. On amazon they are $27 for 2 firebricks.
Other materials:
Red Hot cannonball – 6lb, ~3 inch cast iron shotput.
Propane burner for foundry –
Crucible –
