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Word up. We’ll see what happens. This grow has been a bitch so I’m at my wits end. Been stunted for a while now so it’s already a loss in my mind.

I just found some mold on the top of my soil…mainly stemming from 4-4-4 top dressing nutrients. It’s a grow I’ve had some perplexing issues with so I’m treating it experimentally and just drenched them with straight 3% H2O2. Thoughts on what I’ve just done?

Bag price is killer but $50 shipping to the east coast is a bummer

Well if that’s the case then I’ve really got nothing to lose. Might as well try the drench then as an experiment, no?

I don’t know…I tried the EWC tea this morning and it doesn’t seem to have made a difference. Looking at the pictures from a month ago these plants have barely grown…all they do is sprout new leaves that then slowly lighten and eventually dry up from the edges inward. It’s like a never-ending...

Yeah I might add molasses tomorrow before I pour since I don’t have an air pump to fend off bacteria/fungi buildup overnight. A little worried about bringing the ph down w molasses though. I suppose I could always use baking soda to keep it above 7 but that seems a bit unorthodox…

Sorry, to be clear - I mean I added 1-2 cups into my water bucket...which is maybe half a gallon. Letting it steep overnight before pouring it into the pots tomorrow...

Cool. I dropped quite a bit of EWC in my bucket and this stuff is looking like a double venti dark roast. Was worried I should dilute it but I'll just pour it on tomorrow then. Thanks!

Well I've had a few waterings with just 9.3 out of the tap and the run-off is slowly creeping up. Today it hit 6.15. Still a little early to see a big bounce back but I think the yellowing is slowing down. Still, I want to try a EWC tea. @Budzbuddha is it possible to use too much EWC and create...

Still a bit of a mystery how the soil ph dropped. Others chimed in earlier on this thread saying how their batch of FFOF was low out of the bag, but I already used this bag of dirt in the spring/summer and didn't encounter this issue. Things appeared to be going well before I left for vacation...

I like the way you think. I’m going to run tap water through it from now on and check runoffs until it’s bumped up to…7ish - does that seem right?

Thanks for all your advice! One step ahead of you - already got some others going :cool:

@Budzbuddha any advice on how to handle acidic soil? the run-off is roughly 1.0 lower than the intake...

I have not scoured the web for too many instructions, but all that I came across advised to use distilled water. Here are a few: Instructions 1 Instructions 2 Instructions 3 Instructions 4 I used the provided packets that dissolve into water in order to calibrate the meter, FYI.

All the instructions online say to use distilled water - what is the proper way to calibrate the ph meter?

I’ve got some dolomite lime in the garage…thinking I should drop maybe 5 tbsp into each 5 gal pot…only problem is I can’t evenly mix it around so it will sit at the top…

OK I think it’s the dirt. The Apera isn’t coming until later tonight so I went ahead and calibrated the Vivosun ph meter with distilled water and discovered it was drifting 0.5 lower…which means when I thought I was at 6.5 I was really at 7…which better than being 6, I guess. Tap water comes...

lol I suspected the meter might be junk. I would agree and I'm assuming the Vivosun meter was reading higher. If I can pick up some distilled water today and recalibrate the Vivosun then I'll go ahead with the test, otherwise it will have to wait until tomorrow when I get the Apera.

Yeah I think this is what’s behind that one branch that looks unblemished in the shade. PH is likely off and intense light has exacerbated (dare I say illuminated) the issue. Dialed it back to 450 PPFD until I can stabilize her…then I’ll prob start slowly increasing it again and screw something...

Not yet. I watered them yesterday morning so I have to wait until Fri or Sat to soak them and check runoff. I did check the soil ph with the 3-in-1 ph/moisture/light meter and it clocked in between 7 and 8. Not sure how accurate the meter is, though, as it was also a $10 special. I ordered the...