I have a 6 station system with 18/7 wire going from the front yard and around to the back yard...I would like to splice the wire to hook up from the sprinkler control box to about the mid way point on the long stretch of wire ..in a T fashion.

X (Solenoids) X X X X X
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to controller

I would splice each of the seven wires together at the T junction
Does anyone see any problem with this hookup?