When do I know when to harvest Plant on right is 1...

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Get a microscope and check the trichomes If they're clear, they're not ready to pull If they're cloudy, they're ready to harvest for a nice head high If they're amber, they're ready to harvest for a nice body high You get to decide the ratio of amber/cloudy/clear trichomes for your harvest

So helpful! Thank you

First off I love MSNL they are great, but they do underestimate when it comes to harvest time, this I learned this from growing their White LSD Auto, and judging from the pictures I can see some of your leaves are already yellowing on the plant on the right and those trichomes are cloudy, you can see that without a microscope, I would stop nutrient feeding and start to flush her for about 7 days then harvest her. Now the one on the left seems to have at least 2 maybe 3 depending growth during this time. Hopefully, this was helpful and remember ..."Happy Growing" and "Free your mind one puff at a time".

I know not easiest to tell from pics, but do they look healthy/ normal? Should I still be using any nutes at this stage?

Thanks guys The breeders estimate said 9-11 weeks and thats why i was getting worried I was going to end up harvesting too early. I will go get a microscope tomorrow to take a closer look at the trichromes Thanks alot!

First of all you look at the breeders estimation which is normally a week or two under the actual finishing time. (breeders estimate is for flowering time, not full grow). Then when this time has passed you look for signs being. Have nearly all the hairs (pistels ) turned brown? Have the leaves started to yellow? Does it smell? And then you need to look through a microscope or zoom in really close to a good quality photo and you look at the trichomes(crystals). They should be all gone from clear to cloudy and then start to go amber and it is very hard to tell at first and also very easy to harvest immaturely.... We've almost all made that mistake. I always say it's much easier to harvest too early than too late! 🌱👍😊

from looking at the pics i would say about 4-6 weeks, but you should a get a micoscope and cheak the trichomes :D it the best way