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Is this a phosphorous deficiency?

kfatoph

New member
This is my first attempt at a grow of my very own. My plants have been in these aero buckets for about a week. My best guess from what I have looked at so far is a phosphorous deficiency, but I figured I would ask for as much advice as I can, being that my eyes are new to this game. Thanks everyone.

1) How long has this problem been going on?
4 Days or so

2) Are you growing in a PVC grow tent? (example: Hydrohut or any other non brand tents)
No

3) What system are you running? (DWC? Ebb flow? Aero? Water Farm? Flood Tables? and so on...)
High Pressure Aeroponics

4)What STRAIN are you growing?
Fire OG and Headband

5)What was the establishing technique? (Were the seed or clone?)
clone

6) What is the age of your plants?
A week or so after rooting

7) How long have they been in there mixture they are in now?(coco,soiless etc..)
Since Rooting

8) How tall are the plants?
7.5 inches

9) What PHASE are the plants in? (seedling, vegetative or flower) are the plants in?
Vegetative

10) What technique are you using?
Not sure I understand the question

11) What substrate/medium are you using?(Hydroton, RockWool etc.)
Hydroton

12)What is the Water temperature?
66 F

13)What color are your roots? White? Brown? Are your roots slimy?
White

14) What Nutrient's are you using?(If growing soiless)

Ionic Grow
Cal Mag

15) How much of each nutrient are you using with how much water? *Knowing the brand is very helpful*
I took 50 ppm RO water to 120ppm with MagiCal, then Ionic grow to 280ppm


16) How often are you giving nutrients? (If using soiless)
4 seconds on 3 minutes off

17) If flowering, when did you switch over to using Bloom nutrients?
They are in veg.

18) What order are you mixing your nutrients? (example: veg nutes 1st, bloom 2nd ect)
Cal mag from 50ppm (out of RO filter) to 120ppm. Then veg nuits to 300ppm

19)What is the TDS/EC/PPM you are using
300ppm

20) What is the pH of the "Tank"?
5.8

21) How often are you testing your pH/PPM/EC/TDS?
multiple times a day

22) Are you sure your calibration is correct on your equipment?
it is accurately reading the PH7 and PH 4 solutions

23) When was your last watering?
4s on 3 min off

24) What is your water temps?
66 F

25)When was your last feeding change? (ie. grow-bloom-micro-additional)
NA

26)How often do you clean your system: example: Flush out water replace with clean water and nutrients?
once a week

27) What size bulb are you using?
600W MH

28) How old is the bulbs you are using?
6 mo

29)What is the distance to the canopy?
28"

30)What is your RH Factor(Relative Humidity)?
46

31) What is the canopy temperature?
71 F

32) What is the Day/Night Temp? (Include flucutaion range)?
68-78

33) What is the current Air Flow? (cfm etc.)
800CFM

34) Tell us about your ventilation, intake exhaust and when its running and not running ?
Is the fan blowing directly at plants?
in a small closet with door open and fan blowing out

35)Is your water HARD or SOFT?
Soft (RO)

36) What water are you using? Reverse Osmosis (RO)? Tap? Bottled? Well water? Distilled? Mineral Water?
RO water


37)If using RO,Distilled,mineral water, what is the ppm/EC/TDS without any additives?
RO - 50ppm

38)Has plant been recently pruned, cloned off of or pinched
NA

39)Have any pest chemicals been used? If so, What and When?
No

40)Are plant's infected with pest's?
Not to my knowledge
 

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