Nute/Supplement Question

marleaus

Active Member
Im new to this whole indoor growing and my first plant died from what i think what nute burn and now my second plant is affected by the same thing...

i was using Advance nutes 3 part micro-grow-bloom but decided to go with Sensi Grow A+B and also invested in some vitaboost pro..im running a DWC with a 260 g/per hour submerged pump, 2 air pumps with 12 inch stones with hydroton/rockwool medium in a 30 litre resevoir i got 7 plants going at the moment 3 in soil and 4 in DWC under a 1000 watt MH lots of circ/exhaust temp is stable at 23/24 during day and 21/22 at night on 20/4 shift but PH always seems to jump from 5.65 to 6.40 by over night everyday and im constantly topping ph down(Wild things PH down product)..was using .5ml per/litre of sensigrow nutrients and .5ml of vitaboost per gallon but found it was nute burning my plant so now i have it in a new res of just 2.5ml of the A+B sensigrow and 2.5ml of the vitaboost.

dont have ppm meter ordered one should be in tommorow or the day after,
my oldest plant is 3 weeks old and my other 3 in the DWC are 1 week and not to sure how things are going at this going am i using to many nutes or am i missing certain nutrients supplements to add to my res.

could use some pointers will show pics
 

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marleaus

Active Member
The leaf tips are pale and curling up on the older leaves and the new ones look fine but a turning a bit discolored also there are necrotic spots all over the leaves on the older leaves and could be spreading there are no bugs ive looked very very closely here are some more pics
 

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