Every week I amazed by these plants. They are in the pre-flower stage and they shot up like crazy. I moved them into a bigger 4x4 tent and set up the trellis for SOG. It took some time but it was worth it. They turned towards the light within a couple hours and they look great. Stigma are everywhere and it's ready to flower.
Check out your instructions for the mars hydro and it will say use Xtra calmag. Something with quantum board LEDs and calmag deficiency. Mars started putting it in the instructions 👍🤜🤛 advanced nutrients sensi calmag Xtra is awesome bro. It has some iron and nitrogen in it to green them up 👍 iron helps it absorb the calmag so it's the best 1 to get