Calcium spotting

[lysol]

ok, one of my other babies started showing calcium deficiency, it was right after I raised the EC .1 or .2 and I freaked, I thought I was locking it out with too much of something else so I lowered EC by .4 and when it didnt slow down I dumped and ran all tap for 24hrs and now its gotten worse, consuming half of the first leafs and starting to show up in the tips of my upper leaves, uh oh.. I just brought her back up to 1.4 EC you think based on a 2.5 - 3 week plant I am under feeding rather than over feeding?

When I first noticed the problem I was running >= 5.8 PH @ ~1.0 EC I'm going to start running 5.7 ph.

I cleaned the bucket and refilled to 1.4 EC at 5.5 for optimal calcium absorption, foliar fed a solution of laundry detergent 1/2 strength grow big PHd to ~5 and a half.




The one in question = Nepalese dragon


Does this white rhino look over or under fertilized? 2 weeks and running ~ 1.0 EC


This big bang was overwatered, suprised if it lives.. ( see my thread on PH flux / non calibrated meter / melted rockwool fibres from acid water lol, after that I fried it. hopefully it seems to be growing slowly at the tip new leaves although stunted )

And the healthiest of all for last, of course its my only non -fem seed:

Maybe a sleight tip burn here? I just brought her from 1.7 to 1.9 when I noticed, backed down to 1.6, I am going in the right direction?

Thanks for reading

 

[Dr. G]

run 5.3-5.8ph

and you could go to 1.6ec

my one table is eating 1.8ec just fine

and pics would be better

 

[lysol]

Added pics, I will bump the dragon + .2 EC and report back in 24 ( gonna go from 1.4 to 1.6, apparently hydro plants do not like flushes when they are undergoing a deficiency of a nutrient, heh )

 

[Dr. G]

Added pics, I will bump the dragon + .2 EC and report back in 24 ( gonna go from 1.4 to 1.6, apparently hydro plants do not like flushes when they are undergoing a deficiency of a nutrient, heh )

wait those plants are young

i wouldnt up the ec
id lower it

prolly to whatever 500 ppms is

next time ditch the rockwool

 

[lysol]

500 is too low, [ correction, 500 sounds a little low to me, but I am inexperienced ] thats like .6 EC, I ran above that for the first 2 weeks, I was running over 1 EC all week no prob, this is foxfarm nutes so I think the EC runs a little higher, their schedule says 1.6 - 1.8 EC for the 3rd week, both the dragon and the sharif were planted same day sharif is running 1.8 EC without breakin a sweat.....

http://www.foxfarmfertilizer.com/hydrofeed.pdf It says 700 ppm for clones and seeds, let alone 3 weekers

Anyways I think the white rhino may be under ferted @ 1 EC, now that I look at it those brown spots look like the calcium did, is that what you think it is?

Keep in mind I flushed these with PHd tap water for 24hrs and the problem got worse. the 24hrs before that I tried lowering the EC and it didnt help. Yeah I thought the ECs were a little high for that small but hey....

I have 6" roots coming out of the sharif, 1" roots out of the white rhino, the other 2 are in monster net pots so dunno

Also what do you suggest for germing?

 

[stasis]

Things take a bit of time to manifest. Just as the original problem, while unnoticed initially, had begun. With the resulting discolorations the evidence, after the problem was established...'

Give it a couple days...

Good LUck..!!

 

[lysol]

Uhh ok I think I follow you, so are you saying back the EC down to < 1 EC ??

 

[lysol]

I dropped all 4 plants to 500 ppm ( 1 EC ), the sharif 650 ppm ( 1.2 EC or something like that ). I figure those feeding charts are more for not our type of plant.

How much should I increase EC and how often?

 

[Smooth B]

foliar fed a solution of laundry detergent 1/2 strength grow big PHd to ~5 and a half.... I am going in the right direction?

Thanks for reading

Wtf? Dude, spraying your plants with laundry detergent is not the right direction.

Not calcium deficiency. That would affect your upper not lower leaves.

 

[lysol]

Umm adding a drop of detergent to the solution was standard practice when foliar feeding, makes the water roll off the leafs so you dont burn the plants with a water dropplet lense. It is harmless in such weak dilutions

Under calcium deficiency in the stickies it says "can affect older leafs first or newer leafs or both", can you tell me what you think it is for it to not be calcium? I would be very much open minded, did I do the right thing dropping ppm?


When plants exhibit a Calcium deficiency the younger leaves are the first to show it as well as older leaves. The Leaf tips will die back, the tips may curl, and growth of the plant is stunted. ...The parts affected by a calcium deficiency are the roots. Stem or petiole, young or old leaves.

I am interested in what you think it is then? Boron wouldn't be in well defined spots and would only affect young leafs, right? Calcium looks like little leopard spots? It affects the new leafs but appears to be workings its way bottom up, not top down, from the tips back to the leaf stem.

"Calcium is absorbed best in Hydro and Soil less Mediums at ph levels of 5.4-5.8" - I was running 5.8 - 6.3 so I think that couldnt help with calcium either?

This morning the dragon looks alittle worse but appears to be slowing ( knock on wood ), the others show no change aside from new growth, the white rhino I think has perked up some


-----

On a side note maybe I am misunderstanding the sick plant guide.

"Boron deficiencies will show up first in younger leaves (they may turn yellow), then moves up the plant."

Younger leafs = new growth, how can it move up the plant from there? Does young mean old and vice versa maybe?

 

[Hydro-Soil]

I dunno about EC since my cheapo meter already does .5 conversion.

I do know that I'm running seedlings your size (Pandora's Box) at 860ppm of FNB. I'm not saying you can run that strong with the nutes you're using, just saying that seedlings can stand a lot stronger nutes (after a day or so of 1/4 - 1/2 str) than most people realize.

Who's nute strategy are you following with your first grow?

 

[lysol]

Good question, guess I should try to find grow logs of people using my nutes.

So 500 is way too low then? they are 3 weeks old, lol so far since I've posted I've raised and now lowered, before I posted I lowered then flushed. The swinging levels cant be helping either, I guess I will leave them at 500 ppm until I get some more feedback / find some ones journal, a little busy with client work today though so if someone has ran FF and can just tell me if I should be closer to 500ppm or closer to 1,000ppm at this stage? ( just getting conflicting advice here, heh ).

I just read some strains take the full dosage some go 1/2 strength all the way thru. I guess a good strategy for a noob like me is set it 500 and if it drops raise it back, if it drops faster pump up the ppms ONLY IF THE PLANT IS DEPLETING THE EC IN THE TANK, is this correct? If a plant needs nutrients I'll know right away from falling EC right?

Here is another question, how does the plant react to EC, the plant just takes what it needs right? Like the only point of raising the EC is so you don't have to feed as often, theoretically could I just maintain nutrients like at least daily and run them low without risk of underfeeding? Just everytime it drops put more nutes, only raise the ppm when I find myself adding nutes like everyday, would this be a strategy likely to yield superior results or does the plant like need a minimum EC to get the good stuff


Also taken from random site:

"Week ONE is NOT as soon as they are sprouted and have leaves! Week one is after they have 4 sets of true leaves--- "

Is this right? So I'm still on week 0 and should no exceed 500 ppm / 1 ec?

 

[Dr. G]

those are like seedlings look at the pics

and use dish soap not laundry detergent

 

[lysol]

ok, I think the dragon is suffering Mn deficiency not calcium, would you agree? I haven't been running anything below 5.8 which would better explain that, I just PHd her to 5.0 ( was 5.6 before that ) and shes at 400ppm now ( I topped off because I think I lowered the water too much ), not going to add back fertz until I see the plant depleting nute levels ( and not my top offs ), will keep topping with tap water ( ice actually, I try to bring temps to 60F whenever I see the 2 liter has frozen over, Ill need to get some more of these, and some pitchers to hold the actual soda lol )