gas1986

Can someone please tell me what the hell is going on im not sure if i have to much nutes root rot or a diease they grow good and healty for about a week then start turning colors i use the pvc to make my own little hydro hut my ph is 6.5 not sure what my wated temp is but ive been experinceing this problem for about 6 months now gone threw a hundred clones lots of money so can any one help me out please also my roots havent came all the way threw them medium like they usually do and the ones that have came threw are not crispy white there kinda brown but not to bad

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knna

Welcome to GC, Gas,

In order we can help you, please fill the Nursery Questionary. Its stickied on top of the Nursery subforum.

Pics of the full plant help too.

And please do not post same at two different forums. If you post it at the wrong one, ask for a mod to move it to the right one. You have the posting guidelines in my sign, read them so you can enjoy posting at this forum.

Anyway, ph 6.5 is too high for hydro growing. But i wait you fill the questionary for a longer explanation.

Happy growing

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gas1986

1. Are you growing from seed or clones?
clones
2. How old are your plants?
3 months now
3. How tall are your plants?
about 1 foot
4. What type of hydro system are you using?
flood and drain
5. What brand/type of nutrients are you using?
GH 3 part
6. What is the Ph of your nutrient solution?
6.5
7. What is the PPM/EC of your tap water?
7.5
8. What is the PPM/EC of your nutrient solution?
?? not sure i use 3/4 strenth
9. What is the temperature of your nutrient solution?
Not sure i never though it needed to be tested
10. Does your PPM/EC show a rise or fall when you do your daily PPM check?
slightly rise
11. Does your pH show a rise or fall when you do your daily check?
a little
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")
1000 watts
14. How close are your lights to the plants?
about 2 feet
15. What size is your grow space in square feet?
2x5
16. What is the temperature and humidity in your grow space?
80 degrees and 45 for humidty
17. Have you noticed any insect activity in your grow space?
none
18. How much experience do you have growing?
1 year

analog

Ph of nutrient solution at 6.5 is pretty high, can cause lockout.

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knna

Pics are unfocused, and i cant say nothing based on them. But it seems a lock out due to bad ph or overfeeding, maybe coupled with excess light intensity (or not enough air renovation).

Your tap water is 7.5 what. mS/cm of EC? Or 7,5 ppms? or 7.5 CF?

Check temperature of your res (floating thermometers for aquariums are goog for this). Too high temps may produce serious problems.

I think you said previously that you use an Hydrohut. Is it new? (first grow on it) or has it been used before? (pics made me remember the problem of toxic ones).

Tell us about your system, and try to post better pics. As more info we have, better we can help you.

But as first measure, lower that ph. Growing hydro you should keep it between 5.3 and 6.3, often starting it around 5.6. And flush those plants very well before anything else.

Apart of it, read, read, read. You can find in this forum lots of info wich will help you improving your gardening skills and journals of other growers where you can see how they grow their plants.

knna

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gas1986

ok i have a suckie camara but i built my own hydro hut thanks you guys i really thinks its a nute lock out and water temp to high i only have 3 weeks of flowering left so im going to try and ride it out but you guys were really helpful i know what to do next time when i do my erkle and godberry