Don't use water if you have solvents. You can get powder "bombs" that you place high up that fire off if they detect flames.
https://www.fireprotectiononline.co.uk/automatic-fire-extinguishers/Oh and if a fire starts with all that solvent around my advice is to get out fast don't be a hero.
we run sites with hundreds to thousands of tons of solvent & that is our advice to the staff.
