I have 2 plants growing at the moment & both have gotten relatively the same treatment but this plant is doing horrible. The plant in the pictures is getting worse by the day. The plant feel dry to the touch and new growth is curling downwards as the tips become dark and brittle. I do have a very small spider mite infestation being treated with jacks neem oil and dead bug brew.
-100w light giving 550 ppfd at canopy
-70-75 degrees @ 60%-67% RH
-Soil PH reading 7.2
-18/6 light schedule
-hasn’t received nutes yet
-treating for pests during lights out
-Watered a day or two ago with 360ML water
What do you guys believe is keeping her from developing correctly?
No dome. I didn’t think I’d need one as long as I was keeping humidity high. Will put one over it. Also didn’t know I shouldn’t be watering much at this stage either so I will definitely try that
You’re still in the seedling stage for at least that plant, I try to keep below 400ppfd at this stage.
360 ml of water is quite a lot for such a small plant. You can probably get away with just misting the inside of a dome like said above. At least for another few days.
It’ll be difficult to adjust the soil pH with a small plant in there but you could try adding in some sulfur from your local garden center. I would wait for someone with a little more knowledge before jumping right to the sulfur though.
How do you measure this? The “probe” type or “3 in 1” are about as accurate as a magic-8-ball.
Spending a little for a good quality pen type Ph meter (like Apera) is a good investment.
Ordinarily I would recommend a flush with distilled or rain water to get an accurate reading but that plant is too small for that.
When they are that small I use a spray bottle and mist the dirt at the base of the plant once a day or twice if it looks dry. Also mist a clear solo cup. Try not to sray the leaves. The pH is high but you can deal with that later. Leaves are dropping due to over watering.
