First Indoor Grow

Since both seeds popped within the first week of planting (huge win), I scaled the light down to 30% for 18 hours; roughly 530am to 1030 I will continue this until they become about 3' tall in size, while also attempting LST on them I have nutrients from Fox Farms due to arrive tomorrow. I will be adding them with every watering; half strength until they start really growing in size. Any tips are appreciated!