Help me with this please!

[scegy]

hello fellow growers
i just started a new grow and i'm having some troubles, take a look

pH 6.4
EC 0.92

this is young BMR from yesterday



and this is from today,



i added some pH down yesterday, but the pH keeps rising so i was thinking on adding some nutes to add more anions, since i read this:
Zinc (Zn)

* Symptoms: Yellowing between veins of new growth. Terminal (end) leaves may form a rosette.
* Sources: Compounds containing the word 'zinc'.
* Notes: Can become limited in higher pH.

what do you think?

this is the other plant, Mango, it is far more resistant then BMR, but still it will get to her, let's see

yesterday / today



water temps are around 20°C, growroom temps 18-27, roots are forming normaly

i really need a few opinions on this one since hydro is not a forgiving thing

good day!

 

[Growdoc]

Drop your PH down to 5.2 until you get run off of 5.4!

5.4 is what your PH should be right now. every 5-7 days you can go up 0.1 PH until you reach 5.8-6.0, depending on the strain.

Also feed some root stimulator.

GrowDoc

 

[Pimp Aurora]

you have ph spotting caused by your ph being set for the compost level, get it down to 5.8

 

[scegy]

hello
i had EC 1.5 in my cloner before i put them in my grow room(EC 0.9), you think adding more nutes will drop the pH and solve the problem? mixing some nutes as we speak
thank you guys!

grow doc: wish i had some root stimulant, i ran short of it, did add cannazyme

 

[Pimp Aurora]

You could add some white vinegar to lower the pH, 0.9ec is plenty imho so I wouldn't add more nutes in an attempt to lower the pH.

 

[scegy]

i lowered ph with my nitric acid, we'll see tomorrow what happens, nothing encouraging for now :/

 

[Pimp Aurora]

It's going to take a few days at least to recover.

 

[Blackvelvet]

What and how much are you feeding the plants?

 

[Verite]

I would also recommend you pull back the lights a few inches until you get it healthy again since it looks like the one day difference shows a good scorching light burn.

 

[scegy]

hey!

black: i'm feeding them some mineral nutes(home brand) that i use in my cloner and they work great there(cloner is made with the same basics as my grow bucket)
startup point was 0.9 EC

verite: i already did that yesterday, but i added another 10-15 cms to that now that u recommended it
p.s. i do doubt that that's light burn, cos i usually had lights way closer after they started perking up...maybe low foliage surface aquires low lumens?probably
2 plants look a little worse today, pH is at 5.7 EC 1.106...added 5 L of pure water
thank you both for your interest!

have fun!

these just came in

today / yesterday








doesn't look good for now ... i just hope my pH meter shows me something close to right, because it's dying on me, the ph probe

p.s. rhizotonic really helped me at times like this...

 

[Growdoc]

you need to drop your PH more...5.4 then slowly go upto 5.7-5.8

GrowDoc

 

[scegy]

doc: no disrespect, i KNOW where i should be, the problem is just that i'm not sure where i am at all, because my pH meter confuses me, i already have to read -1.4 pH of the actual reading, so now it show's me 7.2 that's 5.8 in "real"....
i calibrated my pH tester just a few days ago with the 4.05 solution(ran short on other), and i can adjust the meter to 5.4 then the resistor stops

telling you this because i have bad experiences with adding too much pH-up-down, and i added quite a lot of nitric acid yesterday and the day before

so was what you tried to say that i'm DEFINETLY in the too-high-pH zone because of the zync deficiencies showing?

thank you!

 

[Verite]

How old is your ph meter? If its old enough and the probe tip wasnt well maintained you may need a new one.

 

[scegy]

verite: it's 1-2 years old, possibly 3...anyways i maintain it on pure water that's all, you use those condition solutions? do they work? how long do you usually wait untill u change the probe? it's most definetly an old probe i agree, i just don't want to buy another one untill i can at least somehow use this one, they'r around 50$ here :/
thank you for the tip! good day to ya

 

[Growdoc]

Care soultions for the PH probe work well. Change probes 1 time a year if you do hydro. Cheap PH meters are just that, you get what you pay for. I had to give over 150 US dollars for mine.

GrowDoc

 

[scegy]

doc: how long does ur probe live? ...once a year? man my probe is really messed up!


here's a little update on the plants, i think the chlorosis has stopped, i think, you be the judge

today/few days ago







what do you think?

EC 1.07
pH 5.4

 

[scegy]

update

update

i've kept pH between 5.2 and 5.9 according to my ph meter, and ECs 1.04-1.11
roots are forming not so fast as usually must be the lack of rhizotonic, but i still hope things will perk up in the next week if my ph meter isn't showing me some wrong stuff

the whole plot, the chlorosis hasn't progressed much i think, tell me what you think



mango with new white roots forming



bmr



all three



i checked on my nutes and there's no sign of Mg and Ca in the micronutes list, you think some cal-mag foliar feeding is needed? i don't wan't to do anything premature so i'm gonna just wait for a while, the plants have grown a few inches but i'mm still concerned about the yellow tops, things just aren't moving forward very much...maybe with more roots we'll see more vigorous growth

i have to add pH- every day along with fresh water since the pH bounces from 5.2 to 5.8 over night...you think this could be due to too low ECs?although i see a rise of EC over night?

comments are a treasure!

 

[Blackvelvet]

i checked on my nutes and there's no sign of Mg and Ca in the micronutes list, you think some cal-mag foliar feeding is needed?

comments are a treasure!

Sounds like your fert is not really intended for this type of grow. I suggest finding a better fert.

If your fert does not have ca and mg, these should be added to the nute water. Ca and mg are macronutrients not micronutrients. They are needed in large quantitys.

Ph should be 6 or just slightly lower. Refrain from ph 5.2 Way too low.

 

[MTF-Sandman]

You've got a PH lockout or a seriously unbalanced set of nutes...

What's the EXACT brand & make of the nutes? What's the NPK? How much are you feeding them? What's the water source & PH/EC before nutes?

It's foolish to recommend anything without knowing what you're already giving them...

BTW, PH is not a linear scale so if it's off by 1.4 at a certain PH, it might be off by MUCH more at a different reading. A PH of 5 is 10x more acidic than a PH of 6...Get a new probe ASAP or at least a liquid PH test kit to get a better idea of what you're really at.

 

[scegy]

32-10-10 + B, Cu, Fe, Mn, Mo, Zn

the brand is probably uknown to most of you it's called cvetal
the thing is blackvelvet that i use the same fert in my cloner/vegetator and it grows very very good, could say that it can match/outmatch canna substra vega nutes that i had before...the main thing is that i have a nutelock yes i agree sandman....that's why i have to dig up a ph tester from somewhere else my girls are doomed for sure!

wish i could buy a pH meter somewhere, they said that they don't keep them in stock anymore cos they had several complains about noncalibrateable meters, the electrodes were dry out they said, so they only give them to you by order

maybe i'll actually buy the liquid ph tester for now, starting tomorrow