New Turbo 2000 owner after advice

[LewisMY97]

Hello

I've recently managed to finally get my hands on my first impreza and it's an my97 turbo 2000. 

I am wanting to do a complete service and flush of all the fluids and wondered what people suggest using. I've looked through the manual and found most specs but can't seem to find anything about what coolant to use? And where to get it from.