Calcium deficiency - DWC

[TripleT]

I believe that is what the problem is. What do you think? I'm not sure why the plants aren't taking in the calcium they need. I'm using GH 3 parts nutes, the micro contains calcium.

Water temp 68-72
PPM 850-950
PH 5.2-5.9
I add a lil h202 now and then.
6 bucket recirculating DWC
14 qt resevior
1000 watt hortilux cooled
160 watt cool floro's
300 watts warm CFL's
bud to light distance min 12"
440 cfm can-fan with a home made carbon scrubber




Does this look like calcium def to you?? This is a Super silver Haze top at 34 days 12-12. How can I fix this and what do you think the root cause would be? I assumed if you maintained the right atmosphere for the plants optimum nutrient uptake would accur.

Here's a shot across the top of this sweetheart.

 

[Guest]

WELL

WELL

well it looks like a few problems ,, i see heat problems , mag, def , cal , def, and spider mites!

cool the room off , and get some cal - mag ,, add to the rez by instructions

too far alone to worry about spider mites!

 

[TripleT]

How can you tell there is spider mites? I do have the 3 NL in 3 gallon bags in the same grow room as these DWC plants.

Temps are never to high, to cold sometimes I have to heat it in the winter.

Seeing how the nutes have the things you suggested my pictures are doing without, why is that happening?

 

[jamestkirk]

nutes

nutes

i have the gh 3 part nute, and the gh maxi series dry nute, i just checked the amount of the maxi nutes, maxi grow, and it contains around 6 % calcium, where as the liquid micro contained far less, so u might need to up the dose a little, also my plant wasnt having any problems today, but tonight i noticed that some of the leaves were twisting badly, and tested my ppm and it was 140, added a half of tea of maxi grow, and now ppm around 590, and by the way my plants have been growing very well, and also, u must experiment on your own with ppm levels, because each plant is different, and more than likely your plant will show yellowing during the end of flowering because the flowering nutes have low n, which i dont understand, because tick from overgrow used organics, which didnt allow him to use any fert low in n, and the majority of his leaves stayed green to the end of flowering, basically your plants arent doing shit when yellowing but dying, u have to dicipher reality from all the grow bullshit, a lot of money is made from people buying shit that they dont need

 

[jamestkirk]

nutes

nutes

epsom salts may help, magnesium, calcium

 

[TripleT]

How much Epson salt per gallon?

Thank you

 

[senseless]

dont use epson salts, usually the particles are to big to disolve into the water so the plants can absorb it. try some cal-mag plus.