Autoflower lighting

for a 5x5 that light should do fine and you should be able to push it to potentially 100% but start slow. id probably start it at 50% for veg and then 60% for the first couple weeks of flower and then finish at 75-80 % power and possibly kncreasing it if plants respond well and have no adverse effects. like cupping leaves or burning. with a safe distamce they should be fine as long as you can keep the temps in

22 days old can probably handle full strength... 35-40 dli depends a lot on other variables - temp, RH% and ambient CO2. These things vary a bit between gardens. Growth pattern is your guide. These DLI caclulations are never a one-size-fits-all due to the variables i just mentioned. Trial and error is always necesary. Resulting growth that you observe is your guide. Too tight and it needs less light. Too lanky and it needs more. simple as that. Seasonal changes may need additional adjustments relative to what you learn now, but should not be huge differences. Take notes on power and hanging distance to shorten that learning curve. Amping up from seedling to mature vege is like riding a bike. you'll learn that balance through doing it. never 'blast'em' ... either it is the right amount of light or it is not (lacking or too much are both bad). You want the 'right' amount of light. That is most likely going to be around 35-40 DLI. it's not about watts or hours of operaion even i they do correlate or are part of the calculation... it's about dli. DLI is apples to apples measurment regardless of hours of operation or size of garden. You want 35-40 dli, then observe and adjust from there. There is no other way to figure it out. This is the best way to communicate it. In my experience, if i'm not giving nearly 'full' DLI within 24-48hours i get extreme stretch in my seedlings. What matters is the growth. Avoid stretch. Avoid super tight node spacing. If you do that, you have the correct DLI. If you find light damage, you know you gave too much and can dial back a bit in future. Take notes. Light damage can take several weeks to be visible to the naked eye when the context invovles slightly too much light provided. e.g. if you get bleached colas, that cola got too much light. If growth stops with a droopy plant and tight nodes, it was given too much light. cause and effect.. not top-down inductive dreck reasoning. Stick to deductive reasoning in this case.

The chart displays the recommended daily light amount (DLI) in mol/m²/day for autoflowering cannabis over 15 weeks: • In week 1, the DLI is 12. • In week 2, it increases to 16. • In week 3, it is 20 for regular growth and 25 with CO₂. • In week 4, it rises to 30 (regular) and 38 (with CO₂). • In week 5, it reaches 40 (regular) and 50 (with CO₂). • From week 6 to week 12, the DLI stays constant at 45 for regular growth and 55 with CO₂. • In week 13, it decreases to 40 (regular) and 50 (with CO₂). • In week 14, it drops further to 36 and 45. • In week 15, the DLI is 32 (regular) and 40 (with CO₂). This chart outlines the recommended Daily Light Integral (DLI) for autoflowering cannabis across growth stages. Light demand increases during vegetative and flowering stages to support vigorous development. Higher DLI values are effective only with CO₂ supplementation, which boosts photosynthesis. In the maturing phase, light is gradually reduced to prepare the plant for harvest.