Good Morning. The plants don't look worse, so that is a plus. Plan is to add a 50/50 mix of EWC &
HF (it's what I have) topdress, approx 1/4-1/2" layer on GSC which was the lower ppm of the 2. Also going to water more often with less water(15% of pot).
I had been watering til bottom of pot was wet (20%) and waited a couple of days.
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That's the first time I've seen that. Watering is one of the more difficult skills in growing canna to master.
You have to let the
plant tell you how much to water and when. You have to develop muscle memory on what a fully watered pot weighs. I can't do that with your setup.
Let me just explain how I do it to my girls in the 7gal pots, but you need to get a
baseline of what a fully watered pot weighs. I use a one gallon pump sprayer to top water. It waters
evenly and
slow enough. Once your seedling can take a fully watered pot, you top water a set amount, wait15-20 min and then bottom water the pot in a tray. To get your baseline, add a smaller amount to the bottom than the top so that it will suck up that amount in 15-20 min. If it sucks it up in 10min, add a little more water and wait again 15-20 min....eyeing how quickly it uptakes. Your media will kinda dictate the waiting time. .....some media uptakes quicker than others. When it stops uptaking the water in 15-20 min, pull the pot from the tray and dump the water. The bottom shouldn't stay soggy or water come out when you set it back in the dry tray. That pot is now fully watered and you use that weight as a gauge.
Currently, I have to pick up my pot girls every day and move them out of the way to empty the overflow tray from watering the HBSS. Muscle memory tells me when the weight has dropped enough where I know I can add a half gallon top watering and NOT fully water it.
When I actually feel it needs water, I give them each a half gallon slowly and evenly. Wait15-20 min for that water to migrate down and get absorbed.
I add a half gallon to each tray. I water a
set amount to the tray for the bottom water part only to know how much water the plant actually took up. I wait 15-20 min and take them out. They're fully watered. You vary the wait time based on the "soggyness" of the pot once you put it back in a emptied tray. If it's too wet and soggy, back off the time. On your plants, I would try just 10 min, just to make sure they are not overwatered.
I hope I didn't confuse you. That's not
"The" way to do it, that just
my way to not overwater. I can do it consistently without really much thought to the amounts needed, but I do note the amount as a gauge of how well the plant is growing and as an indicator of a problem if the uptake drops dramatically.
Nevertheless, you will be chasing your ass f you don't develop
your way of watering
properly and
consistently.
