WHAT IS THIS?

[smokeyMcPOT]

This has happened within the last week. Setup is as follows.....

Day Temp 71 avg
Night Temp 65-70 avg

going on the 3rd week of flowering.
Fed twice with TEA mix of PSG and Jamacian Bat Guano, Kelp, LK. Mixed at 400 ppm and 6.2-6.5 PH

1000w hps cooled with a 440 cfm 6" inline.
Organic soiless mix of Promix, Perlite and Coco coir
Vegged 3 months and took clones from.
Light is 18" from plants














THANKS ALOT YALL

 

[Verite]

What are you using to measure ph?

Confused on your mix since promix is a soil based mix no? Then you are trying half soiless mix? Doesnt sound good either way as one wants one ph range and the other wants another ph range.

Not sure why you are measuring nute ppm's but either way 400ppm isnt enough and the plant looks starved for some nutes, but at the same time it looks like its having ph issues too.

 

[Brother_Monk]

^^^Yeah I'd say the same thing.^^^ They are starvin', specially for potassium. 400 ppm is not enough and your in 3rd week of flowerin'? Vegged 3 months, that is a big girl for such little portions. No wonder she's bitchin'.

Peace
BM

 

[smokeyMcPOT]

Well thanks for getting back. I was under the assumption that the promix was a soiless mix....I've seen alot of users here that use it as their soiless medium. So if it's not then I'll be sure to let him know to make changes.

Also this confused me a little....VERITE had said "Not sure why you are measuring nute ppm's"....I've always tested the ppm of my nute mixes. I was under the impression that you were to test them to make sure you knwo what you're giving them.

I was thinking that this might be a PH mixed with Potassium but wasnt quite sure. He doesnt have a account yet on here so I posted for him. I'll be sure to let him know the news. Thanks everyone for the help.

 

[Dan42nepa]

the promix i use is mostly sphagnum peat moss.. suppose to have a neutral PH. I usually only use it for seedlings mixed with perlite and some organic soil.

 

[Verite]

Part of the confusion is your only telling us a brand name like " Pro-Mix " when pro-mix has MANY KINDS of products. Be more specific with the name or take a picture of what your using and the confusion will be gone. Every search I do on pro-mix comes up as potting soil. Not potting soil-less.

Other than that you still havent said what you are using to measure ph. [ kinda important looking at your issue.]

Ok I guess if you want to measure nute ppms but understand that even 400ppms is already at starvation levels [ for plants that size ] when hydro users normally feed anywhere from 800-1200ppm on upwards. Combine that with frequency of only two times in three weeks and you got a gaggle of hungry hungry hippos.

p.s. whats the ph measurement of your run off water?

 

[MTF-Sandman]

Peat based mediums tend to get acidic (lower PH) as they break down over time. It's usually countered by adding dolomite lime to help keep the PH closer to 6.5-7.0.

Are those PH readings from the nute solution or the runoff?

 

[beancounter]

I agree that they mostly look hungry.. I would be feeding them in the 800-1000ppm area for that size/stage..


As far as Promix being soiless, it technically is.. All of the commonly used Promixes (Promix HP, Promix BX, or the standard orange bag) are peat-based.. There's no actual 'earth' or organic composts/ammendments in it.. peat moss is not considered soil so in fact it is soiless.. The rest of the mix consists of perlite, small sticks, vermiculite (in some)..

Sunshine Mix is basically the same thing, just slightly dif formulations.. And is considered 'soiless' aswell.. FFOF is a soiless mix but with organic ammendments added in..

The confusion comes because peat-based mixes look alot like soil, it does look like dirt.. But take it from someone who has grown in both Sunshine, Promix and actualy soil.. As far as root/plant growth, soil can't compare to a good peat-based soilless.. The quality peat based mediums don't compact as much as soil, dries out more evenly, and can be fed almost like coco (watered daily) because of it's ability to hold O2 and not compact as much..

Alot of people confuse peat-based soiless with soil, which further adds to the confusion..

 

[smokeyMcPOT]

Verite - I'm not sure what kind of Pro-mix this is, it's a buddy of mines grow. I'll be sure to check tonight when I go give him a visit. As for the PH, I'm using a Hanna PH meter. For MY grows I water/feed at a PH of roughly 6.1-6.3, as for his I'm not sure what it's been for he has no meter. I took mine over last night and we ran soem water through her and the runnoff was weird....PH of 5.7 and a PPM of 1800+. The thing is, he's only fed them once in veg and the 2 times in flower. With a flower feeding of 400 ppm why would the run off be so high? Would this be the salts built up from the normal waterings?? As for the measuring of the PPM's...you dont measure yours?

MTF- In my medium I use D. Lime but this is from my buddy's grow and he didnt use. I'm gonna take some over tonight to apply as a top dressing. Hopefully this will buffer it a little. And the first post I did that was the IN water PH. We tested the run off last night and it was 5.7, so I know thats a little low.

Thanks yall for the info/help

 

[Einsteinguy]

Yo smokeyMcPOT

Do you have a soil moisture meter. I got mine for under $20.00.
This is the best way for me to see whats going on below surface.
I try to stay on the drought side of things. After watering the meter pegs itself.
Then over a few days it should slowly fall. On Sick Plants like the one in pic the meter stays pegged on the moist side. This is bad. Do not keep adding water or you will drown her.

The good thing about a meter is you test the soil 6 inchs down. Test in several places in one pot to make sure even watering.

Einstein

PS: If you buy meter get one with a wire between probe and meter. Much easier to use than one with meter and probe one unit. And Combo meters suck. IMO

Check out my Brix Meter

 

[Verite]

5.7 runoff isnt too bad but indicates a slight buildup of stuff. I wouldnt go so far as to flush it when its that hungry. Compromise would be to feed it some double dose nutes around 6.4-6.5 ph and if yer measuring bump that 400 to around 800 [ any more might be too much difference in the first shot.. you could bump the second dose to 1000 about 5-7 days later. Most of the ferts you listed arent that strong so I wouldnt worry too much about burning em. Most of them will drop your ph [acid] with the exception of the PSG which is very alkaline and will raise it.

 

[Neptune]

This is the same problem I am having.

IT'S THE PROMIX HP that is the problem. IT comes SUPER HOT in the bag... I have NO FUCKNG CLUE why Promix would do this... Unusable shit IMO. They just fucked my crop, bad.

Your runoff is 1800ppm, mine was 1300-2000ppm.
They are not STARVING, THEY ARE BURNING.

 

[Neptune]

THEY ARE BURNING

 

[Guest]

i love pro-mix.....it works for me and alot of others on here...they make about 25-30 or more blends...pro-mix hp has nothing hot in it??? i don't know why you have problems with it neptune but i don't know if you should be advising people not to use a product that has been a proven grow medium for many years. if you have a bad grow, don't trash a product that others can grow in , very successfully in fact. i read more than i post here and nine outa ten problems are ph related. start there, adjust it, and then post your problem pics. the easy way out is to blame others for your failure.

 

[Guest]

smokey, i think you got some good advice from verite,mtf and beancounter. go with it man! bestlucktoya

 

[smokeyMcPOT]

Yes I have got some GREAT ADVICE....THANK YOU ALL! As for the PH....We flushed a nute mix of 800 through them but kept the ph high, 6.8. After putting a gallon through her the RUNOFF PH was 6.3......ALOT BETTER THAN 5.5 as at first. We'll be sure to keep an eye on her. She's picked up A TEN FOLD!!! Looks like her "cold" is getting better. THANKS AGAIN EVERYONE!!

 

[Nifty]

a

 

[Neptune]

Whyme,

Do not speak on matters that you do not have experience with!

PROMIX HP comes out of the bag at 1000-1500 PPM.
Test it, go on and try. Mix a handful of soil in a small cup with water, let it sit overnight and test the water. My plants runoff was 2000+ ppm after wetting it out of the bag with Liquid Karma and PBB @ 500ppm. So... tell me that again...

"promix sells 20-30 products."

and some of them suck.
I have confirmed the promix hp to be the culprit, and it has ruined my soil crop this grow.

 

[Guest]

i do have experience with it. it's all i use. it's peatmoss and pearlite ya knucklehead. look it up. your ffof would burn before the promix.

 

[Einsteinguy]

Hey Nifty

Its 0 to 30 degrees. The highest I've seen on my plants has been 15. It is usually around 12.
paid $75.00 for my refractometer.
The visegrip extractor is worth every penny $37.00

Einstein