New Grower Did I not do this right...have no replys for helpWW autoflower day 74 leaf issue in autopot

[Jdb66]

Problem: brown spots +

Medium/grow method: Coco coir 70/30, autopot smart pot xl (fabric)

Feed: and supplements used: GH trio MGB as of flush on 9-17 2 ml camg / 2 ml micro/ 0 gro/ 4 ml bloom / 2 ml liquid kool bloom ph 6.0 ec 934

water source: RO

Strain/age: White Widow auto/ 74 days

light used: 1000w king led/ on 24

Climate: 77 f / 55% or less

Additional info: noticed tip burn on 9-12 and some brown spots pH was rising in res. Decided to clean res and fresh nutes. Checked next day and ph up again. Finally decided to flush on 9-17. Ran 6gal. if pH 5.8 water thru in 1gal. intervals.. 1st gal run off read 2200ec, last was 546ec. Refilled res with fresh nutes. Just looking for some pro advice. 3rd gro 1st with autopot

 

[Jdb66]

Anybody?

 

[namvet25]

Follow dosage on nutes for hydro grow and back off lights on hours to 18 for flowering.Make sure your roots are healthy.

 

[Frenjamin Banklin]

 

[Jdb66]

Follow dosage on nutes for hydro grow and back off lights on hours to 18 for flowering.Make sure your roots are healthy.

 

[karlkutta]

I think your flush, bringing pH and ppm back down, should correct what was wrong in the water/medium. The lights to 20 or 18 hrs is probably also a nice thing for the girls to rest a little.

 

[Jdb66]

I think your flush, bringing pH and ppm back down, should correct what was wrong in the water/medium. The lights to 20 or 18 hrs is probably also a nice thing for the girls to rest a little.

Thanks for the reply, I will back off the lights. Happy growing