Hi Fairlynew,
Aside from flushing at the end of your cycle, there is really no right or wrong way to grow your plant if things look healthy.
In my honest opinion, your feed schedule shouldn't have to be that complicated. Because of the number of grow products that have come into our office over the years, we've had the opportunity to try pretty much every method of growing and the biggest piece of advice we have is to reduce the amount of steps you have to take (across the board) to get to the end of your grow. It's kind of like how new dishwashers always seem to break down in ridiculous ways because of complex electronics, and that ugly old dishwasher does the same job but if something does happen, it's cheap and easy to fix.
Cannabis is an extremely sensitive plant, especially autoflowers, and you can see this if you just brush up against the secondary stalks of a bigger plant (they'll lose rigidity and start to droop...assuming it's not staked).
"or sparks and pops when you smoke it (magnesium)" ok I want you to make a 50 ppm pile of magnesium and light it on fire............ come on! Sparking and popping is The bodies of mites and other bugs
Our recommendation would be to keep the feed concentration the same, relative to the size of the plant. Start with a lower concentration (5ml/G) when the plant is small and increase the dosage weekly by 1ml/G until you hit (10ml/G). In our experience 1250 to 1350 ppm is the maximum your plant needs, and any more will just increase the risk of excessive salt buildup or lockout. Once you hit the 10ml/G level, there's no need to increase the concentration, only increase the frequency of your feed, which is to be expected when a plant gets bigger.
You already mentioned flushing but for those who don't know....FLUSHFLUSHFLUSHFLUSHFLUSH...for AT LEAST one week and up to two weeks. If you're using anything (organic or synthetic) with nitrogen or magnesium in it, you need to give the plaexpl
nt time to metabolize them or you risk a final product that tastes like chemicals (nitrogen) or sparks and pops when you smoke it (magnesium). Other than that:
- always cut off fan leaves that are yellow and dying (they never come back)
- always keep plant matter off your soil bed
- gauge your plant's need for water/food by the weight of the pot, not what it looks like on the top of the soil.
- make sure you're enjoying the grow experience; I don't believe in the whole "positive energy" thing, more that people tend to make errors and spontaneous decisions they regret when they're stressed out.
Hope that helps guys and gals,
Joel