Browning Tips 4 Days into Flowering

I just started the flowering cycle 4 days ago and have noticed a few leaves up towards the top of a couple plants have started to brown on the tips. pH is 5.7 and I cut the nutes from 1500ppm from veg solution to 700ppm for flowering solution for this first week of transition. Photos attached...any thoughts?

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Here ya go man. Hope that helps ya.

peace.

are you in soil?

if you are in soil the ph is too low and your getting a lockout, most likely magnesium.

Thanks for the chart G. Thinking it was a Potassium issue with it being so early in the phase. Medium is 4" rockwool cubes in 9" pots with loose rockwool surrounding.

To be on the safe side and wont hurt a bit try and add some calmag next time you water. If thats not the problem it still wont hurt them a bit and might actually give them a boost. Your ppm might have been a little high for beginning stages of flowering. I would start around 1000 and work your way up. By my fifth week of flowering I boosted my ladies feeding schedule up to almost 2400 ppm, so start low and work your way up. and by no means am i suggesting you go that high, my ladies are fucking pigs and most plants can't take that much. You know now that I look at your pics again I'm guessin you just overfed them a little, burnt tips usually means a tad overfed good luck bro

Thanks Max. I was at 1500ppm during the veg stage and cut back to 700ppm for the new flowering solution to start. Still think thats too high?

naw that's good.. do you feed with every watering?

I think you should have continued the full strength veg solution until the third week into flowering and then use the bloom formula on the third week. I've done this using soil with Dynagrow, Jacks, EJ and Technaflora nutes and experienced far less problems then the immediate switch to bloom fertilizers at start of 12/12.

yes i keep putting growbig in mine until like the third week

Great thanks for the advice I'll switch back to Veg solution until the 3rd week

but don't only use vegg gradually start adding bloom in there too