My engagement is going down


I started a urban photo account . To begin i did f/uf, mass like and comment on niche and grow it at 1,5K.
My engagement per photo was arround 300 – 350 likes and 5-10 comments. And +400 likes for very good photos.

Then I discovered bot via websites. So i used some trial like gramista, instazood etc. It went good, all my photo went for +400 .

But now after fiew months of no use of bot tools, my engagement is going down 200-250 like /photos, so less than when i had 1,5K. So i don't…

My engagement is going down ^(