Calcium powder react with various things

0:00 5g Ca+air
0:25 Ca+sawdust ratio 1:0.33
0:51 10g Ca+sugar ratio 1:0.8
1:33 10g Ca+Si ratio 1:2.85
2:19 10g Ca+B amorphous ratio 1:1.6
2:57 10g Ca+activated carbon ratio 1:0.6
3:25 10g Ca+sand ratio 1:0.75
4:00 10g Ca+TiO2 ratio 1:1
4:25 12g Ca+SrCl2x6H2O ratio 1:1
4:37 10g Ca+SrCO3 ratio 1:1
5:02 10g Ca+Fe2O3 ratio 1:1:3
5:14 2g Ca+KNO3 1:1
Where I buy chemical ingredients:
www.laborladen.de/
www.ebay.co.uk/
werth-metall.de/
www.pyrogarage.pl/en/
pyrohub.eu/product-category/c...
onyxmet.com/
www.aliexpress.com/
www.inoxia.co.uk/
Interesting chemistry/pyrotechnics channels:
/ @someaustrianguy
/ @nurdrage
/ @chemicalforce
/ @advancedtinkering
/ @extractionsandire
/ @pyrophoria2206
/ @eliasexperiments
/ @fluorineisgreat

[@bpinoy]

Very Informative

[@JoakimfromAnka]

Thank you. Since Ca is very reactive I thought I would mix it with a bunch of things. I tried with B4C as well but the reaction was too weak.