Some type of problem, coco coir

[Filthy farmer]

Hey so I’m pretty new, not sure what the problem is.
Using: coco, maxi bloom(3g per gallon), calmagic 1ml/gallon, and tap water(pretty hard water).

Some of the older big fan leaves showing some type of problem as well as on the brand new growth, I topped above the 4th node 2 days ago also. Honestly didn’t notice the problem before topping but they’re pretty bushy haven’t paid enough attention this week I’m sure it was probably there before lol
Attached pictures of the older fan leaves, plus newer growth and overall.
Thanks!

 

[its.always.420]

that looks like a cal/mag problem which is most likely caused by your hard water. you could try dropping the calmag and upping your maxi to 5g/gal

 

[its.always.420]

also, you are overwatering (puffy leaves with tips drooping and red stems)

 

[Sparky413]

Are you checking your PH? You need to make sure it's in range or you will have nutrient lockout. Not familiar with calmagic, but that seems low for cal mag. Not familiar with Maxi BLoom, but it's probably not meant for veg. Too much of 1 nute could also give you a lockout I believe. You might want to research Liebig's Law of the Minimum and check out www.cocoforcannabis.com Good luck!

 

[Filthy farmer]

that looks like a cal/mag problem which is most likely caused by your hard water. you could try dropping the calmag and upping your maxi to 5g/gal

I figured it had something to do with my tap water and most of my research had me thinking it was a cal/mag problem I wasn’t sure if I should add more calmag, so you’re saying try dropping it completely and using more maxi? I was thinking about getting a RO setup sense my water is shit so I could control the amount of calmag more accurately you think that would be better sense my water is shit?
Also the puffiness and red stems are only on my older growth that I had a lot of problems with at the beginning(almost fried them with diff nutes) I figured it was cause of that. If not let me know, maybe I should wait longer between my watering? I was under the impression coco can’t be over watered once a day I’ve gone to 20%+ run off they’re in 5gal(70/30 mix)2nd transplant.

Ph stays between 5.8 & 6.3 maxi can be used the entire grow alone typically. Just needing some calmag sometimes from what @MickFoster has shown me the way on my last thread haha @Sparky413

Thank you guys

 

[Filthy farmer]

Also note that I plan to never use 5 gal again 3gal is what I should’ve went with

 

[Sparky413]

I figured it had something to do with my tap water and most of my research had me thinking it was a cal/mag problem I wasn’t sure if I should add more calmag, so you’re saying try dropping it completely and using more maxi? I was thinking about getting a RO setup sense my water is shit so I could control the amount of calmag more accurately you think that would be better sense my water is shit?
Also the puffiness and red stems are only on my older growth that I had a lot of problems with at the beginning(almost fried them with diff nutes) I figured it was cause of that. If not let me know, maybe I should wait longer between my watering? I was under the impression coco can’t be over watered once a day I’ve gone to 20%+ run off they’re in 5gal(70/30 mix)2nd transplant.

Ph stays between 5.8 & 6.3 maxi can be used the entire grow alone typically. Just needing some calmag sometimes from what @MickFoster has shown me the way on my last thread haha @Sparky413

Thank you guys

You're probably right I don't know for sure, I just know Liebig's Law of Minimum, and that makes me believe you're using the wrong Maxi. Maxi Gro would be closer to the ratio the plant is looking you might want to double check that. I believe the plan is looking for a ratio closer to 10-5-5 throughout it's entire life cycle

 

[curious2garden]

I figured it had something to do with my tap water and most of my research had me thinking it was a cal/mag problem I wasn’t sure if I should add more calmag, so you’re saying try dropping it completely and using more maxi? I was thinking about getting a RO setup sense my water is shit so I could control the amount of calmag more accurately you think that would be better sense my water is shit?
Also the puffiness and red stems are only on my older growth that I had a lot of problems with at the beginning(almost fried them with diff nutes) I figured it was cause of that. If not let me know, maybe I should wait longer between my watering? I was under the impression coco can’t be over watered once a day I’ve gone to 20%+ run off they’re in 5gal(70/30 mix)2nd transplant.

Ph stays between 5.8 & 6.3 maxi can be used the entire grow alone typically. Just needing some calmag sometimes from what @MickFoster has shown me the way on my last thread haha @Sparky413

Thank you guys

Coco is not soil you really can't overwater it (once you have well established roots) and you need to keep it moist.

What is the TDS (PPM) of your tap water and do you have Na (sodium) in your water?

 

[Filthy farmer]

Coco is not soil you really can't overwater it (once you have well established roots) and you need to keep it moist.

What is the TDS (PPM) of your tap water and do you have Na (sodium) in your water?

My tap water is around 250-275ppm and I’m not sure how to know if it has Na? Thank you

 

[curious2garden]

My tap water is around 250-275ppm and I’m not sure how to know if it has Na? Thank you

If you're in a city there should be a water analysis. That is often posted online. It will tell you the basics of what is in your water.

For example depending on the time of year here and the aquifer they draw our water from we run 150 in the winter and 250 or so in the summer. We have no sodium so I use my tap water.

 

[Skunkbudz]

My tap water is around 250-275ppm and I’m not sure how to know if it has Na? Thank you

Your tap is on the high side, you could cut your tap with bottled R.O. to being it down.Also,your water provider should provide customers with a yearly water analysis which would show you how many ppm of sodium it has.

 

[its.always.420]

I figured it had something to do with my tap water and most of my research had me thinking it was a cal/mag problem I wasn’t sure if I should add more calmag, so you’re saying try dropping it completely and using more maxi? I was thinking about getting a RO setup sense my water is shit so I could control the amount of calmag more accurately you think that would be better sense my water is shit?
Also the puffiness and red stems are only on my older growth that I had a lot of problems with at the beginning(almost fried them with diff nutes) I figured it was cause of that. If not let me know, maybe I should wait longer between my watering? I was under the impression coco can’t be over watered once a day I’ve gone to 20%+ run off they’re in 5gal(70/30 mix)2nd transplant.

Ph stays between 5.8 & 6.3 maxi can be used the entire grow alone typically. Just needing some calmag sometimes from what @MickFoster has shown me the way on my last thread haha @Sparky413

Thank you guys

Maxi has a good amount of Mg and Ca in it already, I don't think you should need the magical with tapwater. Ratios start getting out of whack when you have too much calcium in the system.

What MJ Coco fails to mention is that when you are doing multifeed it's supposed to be a small amount at a time. You can feed a 3 gal pot of coco 15 times a day if its 100ml at a time, and you'll eventually get runoff, this is the proper way. Dumping a bunch of nutrient through all at once until runoff isn't the same thing. Frequent and light fertigation is key with coco, otherwise it doesn't perform any better than promix.

 

[goofy81]

You haven't stated your room climate.
If you havent already, I'd suggest giving these plants high 25-29c with 70+ humidity.
Someone suggested mg/ca
Slow transpiration rates could also lead tocal defiicnecy.
Poor ventilation or too much cal can lead to mg deficiency.
I'd look at my environment first before all else.

 

[Filthy farmer]

If you're in a city there should be a water analysis. That is often posted online. It will tell you the basics of what is in your water.

For example depending on the time of year here and the aquifer they draw our water from we run 150 in the winter and 250 or so in the summer. We have no sodium so I use my tap water.

Your tap is on the high side, you could cut your tap with bottled R.O. to being it down.Also,your water provider should provide customers with a yearly water analysis which would show you how many ppm of sodium it has.

Contaminant and Unit Dates of Sampling MCL Level Range of Likely Source of Measurement (mo./yr.) Violation Y/N Detected Results MCLG MCL of Contamination

Sodium (ppm)	04/20	N	12.7	N/A	N/A	160	Salt water intrusion, leaching from soil

Not fully sure how to read a city water chart however the rest besides sodium where it says N/A under violation say not detected so I think this means yes I do have sodium in my water not sure how much if you know how to read that if its 160ppm of sodium that's a lot right? Which could totally be causing my problems?

You haven't stated your room climate.
If you havent already, I'd suggest giving these plants high 25-29c with 70+ humidity.
Someone suggested mg/ca
Slow transpiration rates could also lead tocal defiicnecy.
Poor ventilation or too much cal can lead to mg deficiency.
I'd look at my environment first before all else.

Stays between 74-80 degrees and 58-70rh, multiple fans blowing up against the sidewalls to bounce around back on the plants. Passive intake(8") 4" exhaust I really don't think it's my environment but then again I'm the one here asking for help haha

Thank you guys for all the fast responses fell asleep last night hoping to get to the bottom of this today potentially.

 

[Filthy farmer]

I actually think the 12.7 is the ppm of the sodium after looking at the charts more not sure though.

 

[Skunkbudz]

I actually think the 12.7 is the ppm of the sodium after looking at the charts more not sure though.

I actually think the 12.7 is the ppm of the sodium after looking at the charts more not sure though.

I believe this to be true. The maximum contaminant level is below what is toxic to human consumption as I read this. Can you filter your water? Not sure how much you use , if in fact this is feasible.

 

[curious2garden]

I actually think the 12.7 is the ppm of the sodium after looking at the charts more not sure though.

Yes and that's fine, use your tap water.