Seedling trouble

I'm positive it is, only been using it for 7 days and it's from a reputable brand.
Seems like buffering with calmag to 200ppm ( 0.4 ec ) then a&b did the trick got it at a stable PH of 5.9 now

kushdoctorWolf said:

I'm positive it is, only been using it for 7 days and it's from a reputable brand.
Seems like buffering with calmag to 200ppm ( 0.4 ec ) then a&b did the trick got it at a stable PH of 5.9 now

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RO water is hard to get a reading cause there is no buffer .. so you got add something to get a buffer and correct reading .

Much appreciated guess I was thinking too difficult about it

kushdoctorWolf said:

Yoo please tell me do you buffer or treat your r/o water? My R/O comes out with a PH of 10 and seems to be unmeasurable ( it swings up and down )

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..........Theres 2 small airstones oxygenating the RO water 24hrs a day in a 4L water bottle ,use sometimes more or less part of it daily , then RO refill daily bubbling.....the PH here shows it 7.2,,,,I keep premixed the 25%PHdown and RO75% bottled for use....1 drip doesnt intensely change the PH lower as it is added to the bubbling water ,,very more measurable and dispersed for a minute then checked and it stays put.....also Keep ur PH meter ROwet daily by make sure its wet when capped ,mine is in its 4th year because it hasnt dried out yet ,and it helps clean off other things it gets stuck into...Just a drip of potassium silicate once in a while is my favourite buffer ...a drip of anything mixes in the bubbling RO better than ever..in a smaller jug top dressing is bubbled well with RO that when added doesnt just stay on the top that day,,lol ....a drip of micronutes and ur grow nute bubbled well for young plants.

So can anyone help with whats going on with this plant? See the little spots on the leafs?

Jimi O'Connor said:

So can anyone help with whats going on with this plant? See the little spots on the leafs?

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The pic gets blurry when you zoom in, but, check the underside of the leaves for critters, use a loop or magnifying glass (possibly spider mites?). If there's nothing there, then keep and eye on it. Did you ever mist your plants? That can sometimes cause spotting. If you just watered, disregard, but it looks like the soil is very wet, let it get pretty dry between waterings. Just for future reference, fill your pots all the way to the top, the soil will compact some.