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Wondering what this is curling leaves seedlings

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Wondering what this is curling leaves seedlings

Dwman420 237 Replies 25,498 Views
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Ok perfect when I do feed ill post my ppms and ph and ec? I should only be around 300 ppm at this stage or less? Should I be switching to ro water the spring water I have starts at 220. If I do that I should be adding calmag every feed or water?
You want to start your solution with the purest water possible, using R.O. Water from the water machine at the local Market my meter reads 10 PPM! that's pure enough, and at 50 cents a gallon the Price is right in budget. You might want to check the water from your local market water filter machine and see what reading you get, and if it's clean water with a low ppm than you can add like 5 mL of calmag per gallon of R.O. and see if that gets you close to the 150 PPM of calmag Sweet spot, everytime you water add 150 ppm of calmag in R.O water. aim for watering once a week when you notice the pot become very light compared to when it's heavy after you water it. Once you have to water every 3 days because the pot gets light by the third day it's time to repot into a 2:1 ratio of potting mix/perlite, and cover your top soil with a thick layer of Perlite (3 inches) to keep the flyers away from your roots, I noticed you mention cloth pots but just stick to regular pots for now. And the nutrients and calmag bottles you have are ph balanced, so if you use very clean R.O. Water the pH should come up perfect with our needing to ad PH solutions to your water to adjust the pH. This is why you want clean R.O. water because the pH of the water is perfect and the low ppm allows you to feed exactly 150 ppm of calmag and nothing else, unlike spring water which you don't know exactly what the 300 ppm come from, is it mag or is it cal or is it something else? We don't know, but with R.O. water and 5 mL of calmag you know it's 150 ppm of calmag and nothing else, and as for your nutrient bottles, follow the ratios recommended on the labels but dilute it down to 100 PPM when you add it to the calmag and water solution, you can do the same for the flower bottle, and if you use R.O you won't need to adjust the pH. This should get the ppm around 250 ppm and you'll know exactly what you are feeding your plants, this will prevent burning of you roots which reminds me don't forget to ad microbes every time you water...
 
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Ok makes sense thanks for the detailed post I'm in promix hp which has mycorrhizae in it, should I be buying more to mix in with my water? And I used ro water before but always had trouble getting the ph to stay steady after I added my nutrients would be around 7.5 but I was also way over feeding would have had like 14 feedings already🤣
 
Ok makes sense thanks for the detailed post I'm in promix hp which has mycorrhizae in it, should I be buying more to mix in with my water? And I used ro water before but always had trouble getting the ph to stay steady after I added my nutrients would be around 7.5 but I was also way over feeding would have had like 14 feedings already🤣
don’t need to add anything..
when the plants get big are you transplanting again?
 
Yes I have a number 5 plastic pot I was going to go to than one last one into 5 gal fabric is this ok?
 
Yes I have a number 5 plastic pot I was going to go to than one last one into 5 gal fabric is this ok?
yes sorry for repeat question but what nutrients do you have?
as i’m thinking when you transplant quit using ph stuff..
 
General hydroponics micro grow and bloom and no worries and yea I've only been using a like .5 ml per gal of this stuff
 

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I also have ro water and spring water been using just spring phed to around 6 usually last water at transplant was spring with calmagic at the recommended I think it 1 ml per liter
 
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The one in the front always looks like that when lights on and perked up in about an hour they are pretty light only dry on the surface tho maybe one more day?
 

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The one in the front always looks like that when lights on and perked up in about an hour they are pretty light only dry on the surface tho maybe one more day?
You see how there is a space forming between the edges of the soil and the Pot? That means the soil is drying out, and if the pots feel light it's probably time to water with 150 ppm of calmag and R.O. water. And yes always use microbes when watering, it's worth The investment.
 
I calibrated my hanna pen and it was reading .5 too high but checked what I've been watering them and it was 6 so about right.
I have a blue lab on meter. Best investment for growers. I use happy frog in 10 gallon pots. It has a starting ph of 6.5. After checking several rumours I have found watering with 7.0 or 7.1 leaves me with a 6.4 to 6.5 ph. I don't check run off anymore. If
I had a problem then I would.
 

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I honestly planted them in dollar store soil ngl🤣 I transplanted them into promix hp I know your not supposed to mix mediums but I was hoping since I'm potting up again it wouldn't be too big of a deal probly is though. I moistened it before I moved them than gave them a good watering till I had a bit of run off, I'm using general hydroponics 3 part but I didn't use any yet. I've been using spring water since my water here is super hard and just phing it to around 6. This watering I used the recommended amount of calimagic I think 1 ml per L and then phed to to 5.9. My Temps were pretty high in the cabinet 81 to 82 with lights on and 75 off humidity was around 15% in the tent I just checked lights on 77 and 27 % humidity. Thinking I should put my humidifier in there? Not sure what Temps are during the night but assuming around 74 75 as that's what it is in my place. I have a ac infinity controller coming in a week so I should be able to set it to ranges of Temps and humidity and go off what you suggest. I shouldn't water until they are super light now right? Also the cotyledons are starting to go a bit yellow so I'm assuming if I'm to wait to water them then my next watering will be my first feeding?
You won't over water with a cloth bag. Put a plant elevator under your plants. If left flat the roots go thru the bag. You want more humidity. 50 to 55. I am lucky. My grow space has a central air vent in it. It runs 50ish humidity and lights on temp 72-4 to lights off 66. I feed a loot of sugars. Sweet and Sticky, terpinator, sweet Grape and sweet Berry. Gotta have flavor. I use 3 foxfarm nutrients. My light is a Growers Choice 480 led which is 880 watt adjustable max. Great light.
 
Just finished watering with 5 ml of cal mag and 1.4 of micro and bloom they were definitely dry lol was about 315 ppm with a ph of 5.9
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