topping on the 5th knot cut made by forming the 6th knot I applied a drop if rooting gel on top of the cut to heal without risk of contamination lights out for 6 hours I lifted the panel further to avoid any ruin.
water ph 6.5 ppm 96 solution temperature 20 ° a few drops of lemon to lower the ph i don't have ph down i added layers of corn husk as a covering.