Dying/discolored tips on plant.

I recently put a clone into a hydroponic system and after a few days it hasn't grown much and the tips are wilting and turning a discolored green color. I moved it closer to the drip ring to see if that fixes it. What else could it be and how can I make it start growing faster?

Nute's? Rez Temp.?

GH nutes. Outdoor temps its been pretty cold recently in socal mid 60s day time and low 50s at night the forecast says its going to be raining for a little while and its getting colder.

you need a heater temps should not drop bellow 60

Did the clone have roots?

under 60 ain't good at all... and the temp swings will bite you in yield ass.

Twistyman said:

under 60 ain't good at all... and the temp swings will bite you in yield ass.

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Um, you mean cause growth slows down some because of low temp. right?

Growth would return to normal if the temp raised and stayed at about 65-75 degrees, yes?

It has some roots and I think its dying the leaves are getting drier and the color is going from green to yellowish here's a picture.

I don't think it's the temperature that's the problem I have 4 other plants next to it and they're doing fine

is that a air curtain on top of clay pebbles?

cordlesskettle said:

is that a air curtain on top of clay pebbles?

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The whole area is covered by a tarp so no light leaks.

Joeluong said:

The whole area is covered by a tarp so no light leaks.

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i didnt ask about tarp i was wonderind what that was on top of clay pebs but i didnt look properly i take your using a drip system ?