When should I start flushing based on the picture below? I’m beginning week 6 of flower today don’t want to start too early

Ok 40x it Is then lol

Looks like it's getting close. There are a few ways to determine when the plant is ready for harvest. I talk about it, in detail, in this article: https://www.mrgrowit.com/post/2017/05/28/when-to-harvest-your-cannabis-plant

I have 40/60x, I can see pretty good in the 40, the 60 is a very small lense hole that is for people with little bitty eyes lol, might as well be the eye on a needle for me 😂

Ok thanks for you use a loupe? If so what strength

I start when all the tricombs are cloudy. I quit going by pistols, had more then a few that amber was starting and pistols were just starting to change.

I start when all the tricombs are cloudy.

Personally I don't flush, I stop adding food to water the last week to week and half. I do keep giving potassium though.