Plants drooping after light switch to hps

Switched from mh to hps about 3 or 4 days ago. Plants have started drooping bad after first day. Still seem to be growing but worried. Was completely healthy up until then. Any input much appreciated. I am running a 600 watt mh/hps light set up. I have watered when pots dry by lifting pots. And have a moisture meter as well. Growing in pro mix medium. I have been using general hydroponics flora series, haven't changed feeding amounts by much. Noticed a few tips with yellowing and backed the amounts back. I feed twice then a water only feeding . Ph water to 6.2 every time. Light has been kept 24 inches off plants

Raise your life a little until they adjust to the new spectrum.

Light is as high as I can raise it. I can dim the light. Have an adjustable ballast. Only other option would be to take out adjustable ratchets on light and hook directly to tent at top would give me another 6 inches. Just measured light. Roughly 18 inches off tallest plant

Nothing to worry too much about, just dim it a little so your plants get used to it, then you can turn it back up. You might want to think about having the option to raise your light, your plants are going to affect going into flower. Look into supercropping too.

Dimmed it down to 50% I took out the ratchets. I am now 23 inches off top of tallest plant. There all four autoflower strains. My first grow, didnt want to try any training or topping. Wanted to just get first grow under belt before trying to much

HellValley said:

Dimmed it down to 50% I took out the ratchets. I am now 23 inches off top of tallest plant. There all four autoflower strains. My first grow, didnt want to try any training or topping. Wanted to just get first grow under belt before trying to much

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Gotcha, you should be ok with the autos and your height.

They will adapt to the new lighting