Kera OG Kush; let's try topping!

The nutrient dose has increased for a penultimate time. There are still no burned tips or signs of deficiencies. I wish i had taken a clone, It would've been interesting to see what this baby would've done with a few more weeks in veg and some more topping. Nothing has phased her so far, a really hardy plant. I'm super impressed with the trichome development, even the stems of fan leaves are sticky. I have been watering 2.5 Liters a day, because that's how much it takes to get run off, I am wondering if I can tune that back to 1.5 Liters a day, I won't have run off, but it should still be enough to get the rootzone pretty wet. the only thing I am worried about is salt build up, since I won't dislodge it from the roots with run off, as it were