deficiency, burn, or something else?

lunari

Well-Known Member
I am having some trouble with my plant. Here are the details.

I am growing in coco + perlite using fabric bags under a Mars Hydro TS1000 that is 23" above my scrog net. PH after mixing nutrients looks to be 6, I am using the add drops and change color type instead of a digital meter. Before adding nutes my tap water is ~7.

I am using Masterblend nutrients and planning on loosely following Soil2Coco's feed schedule (minus the silica and hydrogaurd) starting with the late veg mix as it happens to be what I grow kratky herbs (and this plant so far) from seed. 2g masterblend, 1g epsom salts, 2g calcium nitrate per gallon. I was having what I thought was a cal-mag issue (looked pretty much like the issue I am having now/still) so I started adding in 1tsp of CALiMAGic per gallon about 3 waterings ago. I water when the container feels light.

This is my first serious grow (my state finally legalized) and help would be appriciated.
 

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lunari

Well-Known Member
Here is the feeding schedule I am loosely following, credit to Soil2Coco for the feed schedule. My own addition is 1tsp CALiMAGic per gallon and not using silica or hydroguard.

Early veg per 5 gallons (I skipped this stage since the next stage is the same strength I run my kratky herbs from seed)
3g magnesium sulfate
6g calcium nitrate
6g masterblend base
12ml silica (not using)
12ml hydroguard (not using)

Late veg per 5 gallons (been feeding this the seed sprouted on June 25th)
5g magnesium sulfate
10g calcium nitrate
10g masterblend base
12ml silica (not using)
12ml hydrogoard (not using)


Early flower per 5 gallons
8g magnesium sulfate
2g calcium nitrate
8g masterblend base
1/2 dose flower fuel

Mid flower per 5 gallons
10g magnesium sulfate
1g calcium nitrate
10g materblend base
full flower fuel dose

Week before flush
5g magnesium sulfate
5g masterblend base
1/2 dose flower fuel
 

lunari

Well-Known Member
Any idea of your ppm/ec/ph?
My nutrient mix looks to be a dead on 6 using the general hydroponics kit with the color changing drops. I don't have a ppm tester yet unfortunatly.

Edit: I am really starting to think it's light burn. I raised up my light but might also do a flush with a very weak nutrient mix just in case there is buildup or something.

Edit #2: I also started a grow journal with a bunch of pictures of the plants life thus far
 
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