You probably wont have a problem. If it was me I'd buy the 700 though. I see you're in so cal. Ewing carries 710 while Hydroscape carries 700. Last time I checked Lowes and Home Depot also have the 700. I often use the 700 on the 710 for a snug fit.
I can see using the 700 on the 710 but what about the other way around using 710 connectors on the 700 poly tubing? I have more 700 stuff but the 710 connectors at Ewing are much cheaper.