Is this nute burn or deficiency

Im at the end of week 8 for tangerine dream auto and cotton candy kush auto and just started getting discolored fan leaves I’ve been using ff trio nutes tiger bloom and big bloom at 2 tsp each per gal of water ph’d to 6.6 feed twice a week water in between if needed, been watering every 2-3 days when pots feel light

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Looks like calmag.

Edit… as in may need to add some

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That was my thoughts too i have started adding that using humboldts secret cal/mag + iron at 1/8 tsp per gal to be safe, gave them 2 feedings with that so far, also do i add that in with big bloom and tiger bloom in the same gal of water? Been doing separately .

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Calcium def. You for sure want to have cal mag in your feeding regimen.

I would also suggest getting a TDS meter to monitor input/output of nutrients in your medium.

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