Light Bleaching/other deficiencies

[B4O2N0G]

At around 4 weeks flowering one of my biggest plants overnight grew into the light and it got burnt on top and light bleached some of the top and some big fan leaves.I raised the light as far as possible which is only 8-9 inches.This plant started showing small possible rust spots or just small spots from light bleaching but im not sure.

I have 2 other plants that are starting to show more and more signs of possible light bleaching or rust spots .I know that light bleaching can cause nutrient deficiencies too so is this whats happening?

Here are some pics

 

[Hydro-Soil]

Looks like classic calcium deficiency.

Use a search engine that has an "Images" option and search for "Calcium Deficiency in Cannabis" You'll see plenty of pics like yours.

Stay Safe!

 

[B4O2N0G]

Does anyone know if adding calmag will help at this point?

Is a calcium deficiency going to stop my plants growth and ruin bud growth?

 

[Hydro-Soil]

Adding Cal/mag should help, yes.

Better to treat it as it will get worse and yes... it will definitely decrease yield.

Stay Safe!