Stump Fountain

Make pyrotechnic fountain inside stump.

Receipts used in this video:

1. Classic receipt
Potassium nitrate - 52%
Charcoal (air float) - 13%
Sulfur - 9%
Steel fillings (20-40 mesh) - 26%

2. Modified receipt
Potassium nitrate - 45 %
Charcoal (air float) - 15%
Sulfur - 10%
Steel fillings (20-40 mesh) - 30%

3. Aluminum receipt
Potassium nitrate - 25 %
Sulfur - 7.5%
Aluminium powder - 17.5%
Steel fillings (20-40 mesh) - 50%