Cal mag def/ph/rust spot fungus? Ideas?

greg nr

greg nr

Well-Known Member
Yes, I've been fighting a ph issue. It has to do with my water. Out of the tap it is 5.9, but if I let it sit, it will rise to 7.4 over a couple of days.

I'm now letting my water sit out to stabilize so I can properly ph it. I'm also going to pick up a soil ph test kit tonight.

I agree its a ph issue. I just have to make sure I don't make it worse before I can make it better. :(
 
King Daddy G

King Daddy G

Member
Dr. Who said:
Hard to say - can't "see" it.....Sometimes it's hard in pictures too....

Yet "light" colored leaves without "seeing" it.....makes me want to say slight N def.....Tickle the N up a bit. I'm not a big foliar kinda guy...I might look to use a UREA based N for foliar (best absorbed by leaf application form of N) applications to boost minor N def. If you want to work the leaves back fast..A 1.5 to 2 % N foliar is were I would start.

Some plants will withstand as high as a 3% solution....."I" would not go that high......start at the nice safe 1.5% and apply at 3-5 day intervals till leaves are where you want them. Be sure to tickle the N up in your feed by a single % point too - I would not use Urea based N for that!
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You think slight LST training played a roll in the Chemdawgs issues.. I got a new clone that I just left alone and it is not having ANY issues whatsoever?? The HIDs are working well ..
 
King Daddy G

King Daddy G

Member
Dr. Who said:
Start looking close at 5 days to be sure.
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Any idea no one is really answering it .. the plants stay healthy until they hit a cpl feet tall and they start showing that cal mag deficiency it has the light green spots in the nice healthy green leaves then starts looking cal mag def. any ideas ph is right on??
 
King Daddy G

King Daddy G

Member
Dr. Who said:
Start looking close at 5 days to be sure.
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The damn plant seems to get problems when the roots can't grow further maybe this plant is a lil pickier .. roots have def filled the 5 gallon pot again standing 4 feet leaf growth and problems it seems again aghh ..
 
theslipperbandit

theslipperbandit

Well-Known Member
Don't go just by trics, u want bud density n hairs receding..the trics n hairs can be deceitful with some strains but a whole pic of the plant n well give u an idea but I'm with Dr who here a week maybe more,have u used pk yet?
 
theslipperbandit

theslipperbandit

Well-Known Member
Or if u really deductivly deduced it's root bound wait till before a watering n prune or crunch on the roots with ur hands but I've never had these problems unless I've intentionally done it in wait for a fairy to land so I can flower at the same time.what ltr pot are you using? Sorry I'm Irish don't use American units of measurement so litres would be great and how long did you veg for?
 
theslipperbandit

theslipperbandit

Well-Known Member
Amd do it gently we don't wanna damage more than we need...I use 11ltr pots with endomycorrhizal from day one so it's nice n established with a long veg regularly feeding em carbs and I've never had rootbound issues..are you recycling your soil by any chance? If so you've to recharge the soil atm in actually having slight clawing from n tox (I add ground coffee to the compost for the mold and N) so I'm probably gonna buy some worms today from a fishing shop as those rascals ate up the coffee n not only ate it up nut also transports it lower into the medium. @ Dr who will my chemical ferts kill the worms once I've a cycle started or are there any precautions I can take cuz I'd nearly salvage the worms for the next cycle..this being my 6-7 cycle of using the same soil but I've added canna terra once in a while to encourage microbial activity as I don't usually feed for ages with cuttings or veg only foliar and the odd watering to encourage the roots to expand asap
 
Budley Doright

Budley Doright

Well-Known Member
IMG_3110.JPG
Kassiopeija said:
Do you water them, and enrich the soil with long-term fert?
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Yes I water them, last summer was the worst draught in memory. As for nutrients it is compost with tea and fish emulsion, bone and blood meal is also added as a top dress. I grow in bags so I do need to supplement but have not used time release salts in years, but they also worked well. The plant shown is about a week before harvest.
 
Dr. Who

Dr. Who

Well-Known Member
theslipperbandit said:
Amd do it gently we don't wanna damage more than we need...I use 11ltr pots with endomycorrhizal from day one so it's nice n established with a long veg regularly feeding em carbs and I've never had rootbound issues..are you recycling your soil by any chance? If so you've to recharge the soil atm in actually having slight clawing from n tox (I add ground coffee to the compost for the mold and N) so I'm probably gonna buy some worms today from a fishing shop as those rascals ate up the coffee n not only ate it up nut also transports it lower into the medium. @ Dr who will my chemical ferts kill the worms once I've a cycle started or are there any precautions I can take cuz I'd nearly salvage the worms for the next cycle..this being my 6-7 cycle of using the same soil but I've added canna terra once in a while to encourage microbial activity as I don't usually feed for ages with cuttings or veg only foliar and the odd watering to encourage the roots to expand asap
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As long as the nutes aren't real strong - shouldn't have problems....thing is, over time, maybe not good.....The worms are living off organic matter......the other side is, if they die - they'll feed the plant and the soil.....No loss in trying!
 
Dr. Who

Dr. Who

Well-Known Member
King Daddy G said:
Any idea no one is really answering it .. the plants stay healthy until they hit a cpl feet tall and they start showing that cal mag deficiency it has the light green spots in the nice healthy green leaves then starts looking cal mag def. any ideas ph is right on??
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This soil is a used soil?
What soil?
pH, possibly - several reasons.....talk about that after answers from you...

King Daddy G said:
I think is may just be a mild case of black spot fungus .. but yea think they can have issues the roots fill my 5 gallon really quick can that cause the issues and weak growth? Thanks.
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No - on both things. As long as you feed it what it needs....they should be fine......
I tried for shits and giggles to see how much I could get out of a 3 gallon pot and a good yielding plant that averages just over 2 zips per gallon when ran my way......I got 11.5 zips from the plant in a 3 gallon pot! (yes this was with organics - I just had to feed the hell out of it) It was a major bitch supporting it till it was done!
5 gallons is my smallest finishing pot and for these heavy yielders - 7 gals.

King Daddy G said:
The damn plant seems to get problems when the roots can't grow further maybe this plant is a lil pickier .. roots have def filled the 5 gallon pot again standing 4 feet leaf growth and problems it seems again aghh ..
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I'm still focusing on your soil.
Also list what you feed - when - how often and how much each time...LEAVE NOTHING OUT that you may add!
What is the pH of the feed solution, when you water?
 
theslipperbandit

theslipperbandit

Well-Known Member
Dr. Who said:
As long as the nutes aren't real strong - shouldn't have problems....thing is, over time, maybe not good.....The worms are living off organic matter......the other side is, if they die - they'll feed the plant and the soil.....No loss in trying!
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Thank you but that's where the coffee rusks come in worms apparently love em so that's their organic feed and I grind my beans then French press n water it down again then add but I've to cut it in half shits was nearly 2 how got some claws. But I do add some mytocorrizal n molasses into the mix once in a while n whenever I'm inside in the shed smoking I give her a mix n man that mytocorrizal loves the coffee I can see chunks of it the canna terra Vegas is 6.2 so in deducting mines around 7 so once in a while I add a bit of a new bag to keep the bin cookin
 
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