RDWC Underfed overfed or both

  • Thread starter JoeCollins
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J

JoeCollins

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Hydro Growers:
1. Are you growing from seed or clones? Seeds
2. How old are your plants? ~5
3. How tall are your plants? 1.5-2ft
4. What type of hydro system are you using? ~50gal rdwc
5. What brand/type of nutrients are you using? General Hydro, Lucas Method 3ml CalMag/4ml FloraMicro/8ml FloraBloom per gal
6. What is the Ph of your nutrient solution? 5.7-5.9
7. What is the PPM/EC of your tap water? 60
8. What is the PPM/EC of your nutrient solution? ~800
9. What is the temperature of your nutrient solution? 68~74
10. Does your PPM/EC show a rise or fall when you do your daily PPM check? mostly trending down, occasionally rises right after res change but then starting dropping again
11. Does your pH show a rise or fall when you do your daily check? mostly stable, occasional drips up or down
12. Do you foliar feed or spray your plants with anything? no
13. What kind of lights do you use and how many watts combined? (HPS, MH, fluorescent, halogen, incandescent "plant lights") led, ~400w
14. How close are your lights to the plants? ~28inch from canopy
15. What size is your grow space in square feet? 4x4
16. What is the temperature and humidity in your grow space? 68/60
17. Have you noticed any insect activity in your grow space? No
18. How much experience do you have growing? This is my 4th grow. 1st grow gave ~1lb off 4 plants, grow 2 gave about half as much but much more potent, grow 3 seemed fine, ph and ppms seemed stable grew very tall but the buds never filled out for some reason.

Best I can tell some of them look overfed and some look underfed but I am really not sure. One of them is also almost a foot taller with twice the size stem but the buds have hardly developed. Idk what is going on the PPMs rarely change more than 50-100 in either direction and my PHs are pretty stable staying relatively close to 5.8, occasionally dropping but mostly rises. Roots are stained by the nuts at the top, but the lower roots are pearl white. My water temps tend to be a bit on the high side, but I run with hydroguard and haven't had any weird smells, slime or the like. I am really starting to panic bc I am worried about a repeat of my last grow - idc if its not super strong but I really need it to actually make buds this time.
 
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jguit

jguit

Supporter
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Get your ambient temps up to around 80F and lower your RH to around 50.

Also, I don't know exactly what LED light you are using but 28" sounds pretty far away for flowering.
 
J

JoeCollins

4
1
Get your ambient temps up to around 80F and lower your RH to around 50.

Also, I don't know exactly what LED light you are using but 28" sounds pretty far away for flowering.
This is the exact light that I have


In the booklet when I got it they recommended ~32" for autoflowers and I think like 12" or 18" for photos.

What do you think would be a more appropriate height? Mine are autos btw
 

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