Solubility Test in Each Type Of Fertilizer

Solubility varies among brands and types of fertilizer. These videos show the solubility of each different brand:

JVF 15-15-15

Huachang 15-15-15 White

Garson 16-16-16 Pink

Agrobridge 12-12-17 White

Hzels 15-11-18 Blue Purple

Novatec Suprem 21-5-10 Green

Novatec Suprem 21-5-10 Purple

Nutri Farm 15-5-20

Agrobridge 12-12-17 Blue

Yara 12-12-12-2 (Grey)

Chevron SOP

CBL 12-12-17-2 (Blue)

CBL 15-15-15 (Green)

CBL 13-13-21 (Pink)

Garson T15 (White)