Ph of the soil won't come down

cryptique

cryptique

Member
hi all...

i am growing amnesia haze and ak-47 extreme. my setup and conditions for right now are:

- Week 5 in Flowering (Amnesia has 13 weeks of bloom and ak-47 has 8)
- They thrived in plagron Batmix Soil (which has 6 weeks of nutes in it)
- Then i used Advanced Nutrients Conniseur Grow A-B set and all other AN Grand master products as nutes which has PH PERFECT label on them. Started using them last two weeks of veg with lesser doses 4/3
- They are in 8 gallons smart pods (fabric ones)
- There are total of 2300 watts of sodyum lights hanging 40-50 cm above them.
- Room tems are 15-20 at when lights out and 27-30 when lights on.
- There is an out take fan and a air condition working. and there are two fans blowing on plants.
- I am giving them yeast sugar genereted Co2.
- using tap water

And the sutiation is : plants began do loose lower leaves and branches in first three weeks of flowering.
i thought it was a deficiency or toxicity and asked for help. people here asked me ph of water i checked and it was 7. i checked to soil too it was also seven.

i bought general hydrophonics GHE ph down solition. Added 2mg for 5 lts first (it brought ph down to 6.8 and tried to flush one pot to see how it works. uset 15 lt of water. When i use my ph stick in soil it was 7.4 or so and then ,i used 4 mg of ph down for 5 lt. flushed with 6.0 phed water for 15 lts again the soil didnt droped below 7.2. used a 15 lt of more water with 6mg ph down for 5 lts. it just droped 0.1 ph doesnt come down 7.1.

The run of water is yellow still and when i check the ph of runoff water it's 7.6

so help me please before i loose my harvest... tell me what i am doing wrong. or what should i do more...
 
tiltswitch

tiltswitch

Well-Known Member
Stop worrying about your soilless medium ph , you need to be phing your feed at 6.5 , it's the sweet spot for nute uptake in soil: soilless. Your mediums ph will fluctuate, don't worry about it too much. If your in week six of flower you will be seeing leaves yellow and die at this stage. once you start using ph , better not to stop, ph feed from now on to 6.5 and stop testing the medium you'll go crazy with worry. Iv had trouble with their ph perfect line when it comes to ph ing. I like their boosters, their base nutes not so much
 
cryptique

cryptique

Member
tiltswitch said:
Stop worrying about your soilless medium ph , you need to be phing your feed at 6.5 , it's the sweet spot for nute uptake in soil: soilless. Your mediums ph will fluctuate, don't worry about it too much. If your in week six of flower you will be seeing leaves yellow and die at this stage. once you start using ph , better not to stop, ph feed from now on to 6.5 and stop testing the medium you'll go crazy with worry. Iv had trouble with their ph perfect line when it comes to ph ing. I like their boosters, their base nutes not so much
Click to expand...

So what you're saying is; i shoul use ph down solution just when i add nutes to my tap water and stop worryin about ph of the soil and the ph of the runoff water?
 
whitebb2727

whitebb2727

Well-Known Member
cryptique said:
hi all...

i am growing amnesia haze and ak-47 extreme. my setup and conditions for right now are:

- Week 5 in Flowering (Amnesia has 13 weeks of bloom and ak-47 has 8)
- They thrived in plagron Batmix Soil (which has 6 weeks of nutes in it)
- Then i used Advanced Nutrients Conniseur Grow A-B set and all other AN Grand master products as nutes which has PH PERFECT label on them. Started using them last two weeks of veg with lesser doses 4/3
- They are in 8 gallons smart pods (fabric ones)
- There are total of 2300 watts of sodyum lights hanging 40-50 cm above them.
- Room tems are 15-20 at when lights out and 27-30 when lights on.
- There is an out take fan and a air condition working. and there are two fans blowing on plants.
- I am giving them yeast sugar genereted Co2.
- using tap water

And the sutiation is : plants began do loose lower leaves and branches in first three weeks of flowering.
i thought it was a deficiency or toxicity and asked for help. people here asked me ph of water i checked and it was 7. i checked to soil too it was also seven.

i bought general hydrophonics GHE ph down solition. Added 2mg for 5 lts first (it brought ph down to 6.8 and tried to flush one pot to see how it works. uset 15 lt of water. When i use my ph stick in soil it was 7.4 or so and then ,i used 4 mg of ph down for 5 lt. flushed with 6.0 phed water for 15 lts again the soil didnt droped below 7.2. used a 15 lt of more water with 6mg ph down for 5 lts. it just droped 0.1 ph doesnt come down 7.1.

The run of water is yellow still and when i check the ph of runoff water it's 7.6

so help me please before i loose my harvest... tell me what i am doing wrong. or what should i do more...
Click to expand...
Quit checking run off pH as it means nothing.

Got a pic?
 
tiltswitch

tiltswitch

Well-Known Member
Yes, stop ph ing medium and run off. Just get feed to 6.5 and alla good. It's up to you if you want to change, if your having difficulty getting ph to the right level then I'd do it. Also let your tap water stand overnight to evaporate the chlorine otherwise you'll kill some of the bacteria that feeds your plants
cryptique said:
And should i change my base nutrients?
Click to expand...
 
Last edited:
cryptique

cryptique

Member
tiltswitch said:
Yes, stop ph ing medium and run off. Just get feed to 6.5 and alla good. It's up to you if you want to change, if your having difficulty getting ph to the right level then I'd do it. Also let your tap water stand overnight to evaporate the chlorine otherwise you'll kill some of the bacteria that feeds your plants
Click to expand...
I always let my sit water a few days before watering and even i pump some air with a syringe to 10lts bottles before watering plants.

but i am confused people told me check my runnoff and medium here before when i posted thinking "do i have cal/mag deficiency" in another thread.

so what youre saying i use ph downs solutions every time i water the plants or just when i use nutrients.

and what can i do more should i foliar feed them with AN Revive and Cal/mag ? can i use them in week 5th of flowering? Should i just spray the big fan leaves carefull not splashing water to flowers?
 
tiltswitch

tiltswitch

Well-Known Member
cryptique said:
I always let my sit water a few days before watering and even i pump some air with a syringe to 10lts bottles before watering plants.

but i am confused people told me check my runnoff and medium here before when i posted thinking "do i have cal/mag deficiency" in another thread.

so what youre saying i use ph downs solutions every time i water the plants or just when i use nutrients.

and what can i do more should i foliar feed them with AN Revive and Cal/mag ? can i use them in week 5th of flowering? Should i just spray the big fan leaves carefull not splashing water to flowers?
Click to expand...
If your feed / water isn't 6.5 then add up or down to this level, add cal mag, don't foliar feed, your in week five yellow leaves are normal,foliar if you know what your doing only, can cause more problems, what's your feed regime I. E. F w f? Or f f w etc?be careful what you listen to there's alot of bull on here
 
cryptique

cryptique

Member
tiltswitch said:
If your feed / water isn't 6.5 then add up or down to this level, add cal mag, don't foliar feed, your in week five yellow leaves are normal,foliar if you know what your doing only, can cause more problems, what's your feed regime I. E. F w f? Or f f w etc?be careful what you listen to there's alot of bull on here
Click to expand...
but they start loosing leaves since when i changed it to flower. sorry i dont know what I. E. F wf or the ffw means bu since know my scheudle was like this.

every other wednesdays i feed an conniseur grow a+b at last to weeks of veg and changed to a+b bloom in flowering. in first week i used half a dose of recomended that go up to 4/3 and then last two weeks i gave full strength cause plants were still loosing leaves.and branches below.but i didnt phed water it was always 7

i also use these products ; Vodoo Juice, Tarantula, Piranha, Big Bud, B-52, Bud ignitor, bud candy, sensizym, rhino skin, bud factor x.

ph was always 7 since now

i use the chart on advanced nutrients web site.i am adding as screenchot .

and i used plain water with ph 7 of seven till now
 
jacksthc

jacksthc

Well-Known Member
Next time you do a grow mix some lime in the soil a, you don't need to think about ph as it keeps it spot on every time

You could top dress it in the soil round the edge of the pot and this would help

Just rember most problems are caused from over feeding the plants
Most the time the best way to recover a plant back to full heath is to flush the root mass and reduce the feed for a week
 
xtsho

xtsho

Well-Known Member
cryptique said:
but they start loosing leaves since when i changed it to flower. sorry i dont know what I. E. F wf or the ffw means bu since know my scheudle was like this.

every other wednesdays i feed an conniseur grow a+b at last to weeks of veg and changed to a+b bloom in flowering. in first week i used half a dose of recomended that go up to 4/3 and then last two weeks i gave full strength cause plants were still loosing leaves.and branches below.but i didnt phed water it was always 7

i also use these products ; Vodoo Juice, Tarantula, Piranha, Big Bud, B-52, Bud ignitor, bud candy, sensizym, rhino skin, bud factor x.

ph was always 7 since now

i use the chart on advanced nutrients web site.i am adding as screenchot .

and i used plain water with ph 7 of seven till now
Click to expand...
Why are you using all that stuff on your plants? From the looks of them it isn't doing any good.
 
You must log in or register to reply here.
Top