DP Lemon Zkittles, day 47, calcium deficiency?

[Mangos]

-Problem: Rust spots appeared towards the top of plant.

-Medium/grow method: Growing in a autopot using Plagron Light.

-Feed and supplements used: AN Sensi Bloom A&B @ 2ml per L/Overdrive @ 1ml per L/Shogun CalMag @ 1ml per L/Plant Magic pure clean @ 1ml per L. Using pH down feeds going in the res at 6.0, filling the res every few days with 4L.

Water Source: Using tap water pH 8.0. Leaving out for 24hrs aerated with air stone before adding nutes and putting in res.

EC or TDS reading; EC 1.86/ PPM 870 / Ph 6.0.

-Strain and age Dutch Passion Lemon Zkittles 47 days

-Climate: Its been quite hot, temps between 25oC-30oC, RH between 50-70% (generally around 60%)

- Light used: GN Telos-0008

-Additional info: Plant has only been affected the last few days or so. Have been having problems keeping the pH of the res down.

 

[Fitzy]

-Problem: Rust spots appeared towards the top of plant.

-Medium/grow method: Growing in a autopot using Plagron Light.

-Feed and supplements used: AN Sensi Bloom A&B @ 2ml per L/Overdrive @ 1ml per L/Shogun CalMag @ 1ml per L/Plant Magic pure clean @ 1ml per L. Using pH down feeds going in the res at 6.0, filling the res every few days with 4L.

Water Source: Using tap water pH 8.0. Leaving out for 24hrs aerated with air stone before adding nutes and putting in res.

EC or TDS reading; EC 1.86/ PPM 870 / Ph 6.0.

-Strain and age Dutch Passion Lemon Zkittles 47 days

-Climate: Its been quite hot, temps between 25oC-30oC, RH between 50-70% (generally around 60%)

- Light used: GN Telos-0008

-Additional info: Plant has only been affected the last few days or so. Have been having problems keeping the pH of the res down.

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I've had mag problems with a few Dutch passion strains so it maybe that's the case here @Waira will have a good idea but we will need more info on ppm ph light distance medium ect