1st time hydro grow pineapple chunk

well im just getting round to starting my first time hydro grow in a big 4 pot wilma...
i plan on using clay pebbles with rockwool cubes i have the seeds coming in post and need to get the pebbles, rockwool and ionic hydro nutes


heres i few pics of what i have so far can yous please tell me if i am missing anything out

in the pics is a wilma big 4 pot a 6" cooltube with 6" exhaust a 4" tt100 intake with a primair temp controller and 6 in 1 ph/ec meter

The res come with the wilma thing?

yes m8 50l res underneath with a pump and that to feed them, i plan on hand watering till i see roots coming out rockwool then placing into the wilma with flood drippers on and feeding them while the lights are on, low on nutes to start and raise the ppm as i go so i have read but will be uploading a lot more once i get the seeds and started