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New batch of seeds

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danizeap
(@danizeap)
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Hello! 

I am getting a new badge of seeds next month with a few other new things to start a new seedling tray. I will be getting nutrients (sensi grow coco and great white) , pH and TDS meter, RO watering system and pH up and down. 

I will start these new seedlings in 70/30 coco perlite 

What can you all recommend? 

Light: How close, wattage and what is the best type of light for seedlings? Light cycle? 

Watering and feeding: How often should I water and feed the little girls? How much run off? how much food? 

I think the rest of the variables I have learned to manage fairly well, its these things above that still give me trouble. 

Any other tips are welcomed! 

Thanks guys, ya'll the best. 

 

 
Posted : June 18, 2020 5:31 pm
twisted1, monkeydo, White Widow and 12 people reacted
Macky
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Posted by: @danizeap

Light: How close, wattage and what is the best type of light for seedlings? Light cycle? 

A t5 is great for seedlings, or a low power LED. The light should be around 20 inches away from the plants but that will depend on what light you use. Watch the plants for stretching, or sings of discolouration at the top. If the stretch, lower the light, if they burn, raise it. 

If you use a t5, 6 inches is good and the plant will be very happy

Posted by: @danizeap

Watering and feeding

In coco mate, daily is best, with 10% run off every time. The medium has to stay damp, never let it dry out or you will get an EC spike that can cause problems. So daily, or at the very most ever

other day. But to keep them happy, and keep the medium at the right level, daily is best 

Posted by: @danizeap

how much food? 

With sensi grow, 0.5ml per litre is good to start with mate. But using such a small amount will not make the "ph perfect" so you still might need to adjust it down to 5.8

 

Why the RO system? Is your background EC majorly high? That water has some stuff in it the plants like you see, best not to go full RO if you can help it 


"Keep away from people who try to belittle your ambitions. Small people always do that, but the really great make you feel that you, too, can become great.”
― Mark Twain

 
Posted : June 18, 2020 5:41 pm
twisted1, monkeydo, Hart and 9 people reacted
danizeap
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@macky thank you! 

I am getting my new light as well, Mars Hydro tw 2000. Would this light be too strong?  Should I have a T5 or low power led for my seedlings and the Mars for later on when the plant can handle the power of the light? 

I purchased an RO system cause im not sure what is in my water and it seems to be affecting the plants growth, they are growing very slowly. So we opted for an RO to measure everything exactly, plus the nutrients that I will be providing the plant from advanced nutrients, the ones you suggested. Is this a substantial enough reason to go RO? 

everything else is so helpful thank you

 
Posted : June 18, 2020 5:47 pm
twisted1, monkeydo, Hart and 9 people reacted
TempleGrower
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I like T5s for seedlings.. I use Sunblaster's 6400K T5s, @39W per light, but they also have some really nice LED light strips. This is my little germination station. You can see how close the tops are to the lights. I just move them down off the booster boxes as they get taller. Usually lots of room in that space for a good 3-3.5 weeks of growth.

IMG 20200618 1044050
IMG 20200618 1043157
IMG 20200618 1048116

But yeah, I like an 18/6 light cycle, some guys do even longer. Plants need sleep too though, 🙂.

Macky is definitely bang on  - and I'm not a coco guy anyways so.. but if you need some supersoil advice.. 🤪 

 

 

 
Posted : June 18, 2020 5:56 pm
twisted1, monkeydo, Hart and 9 people reacted
TempleGrower
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@danizeap

What is your background TDS in your tapwater now? I've always gone by the 'under 300ppm, no additional treatment needed' rule. If you have more than 300ppm in your tap water then yeah, that might be worth looking into some more filtration.

Our city water here comes in at 220ppm (about 160ppm CaCO3, 40ppm Na+, and random other shit in small amounts) and all I do is adjust pH, no RO or other filtration needed.

 
Posted : June 18, 2020 6:01 pm
twisted1, monkeydo, Hart and 9 people reacted
danizeap
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@templegrower Thanks! 

I am not sure what my TDS is nor my pH, I know this is not good, I dont have pens so I cant know. Getting stuff shipped to my country takes time so I have to get stuff every month until I get all that I need. I am guessing they are both a little high, since the growth of the plants is very slow. I posted another thread on how slow they were and the consensus was its probably the water. Would you recommend getting the pens first and then evaluate an RO if needed? 

 
Posted : June 18, 2020 6:06 pm
twisted1, monkeydo, Hart and 6 people reacted
TempleGrower
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@danizeap

Well, RO won't hurt anything but, it's more money that not having one, especially if you don't need it, haha. Filter replacement and all that. But if you do have issues with your plants, that would be one way to eliminate an unknown variable. If it doesn't fix the issue, you can eliminate the water being the cause and move on to other ideas. If it does, then perfect. Totally up to you though.

 
Posted : June 18, 2020 6:18 pm
twisted1, monkeydo, danizeap and 6 people reacted
danizeap
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@templegrower Im gonna work it just in case, its small and practical, you stick it to the hose and thats it. Hopefully It will help with my problems and if not well ill be back here as always jaja 

Thanks!  

 
Posted : June 18, 2020 6:20 pm
twisted1, monkeydo, TempleGrower and 6 people reacted
danizeap
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Guys one more thing! 

My grow room is ready, its a 5x5 stainless steal wall with an inline fan and two ventilation holes. 

Is it better to grow the seedlings there or in the tent for more control? and then move them to the grow room for beg and bloom with the Mars Hydro.

Thanks!

 
Posted : June 18, 2020 7:09 pm
Stoney, twisted1, Yoda and 9 people reacted
danizeap
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@templegrower quick question!

I have been looking for a T5 light for my seedlings.

Is there a difference between a growing and a regular T5 light?

Is LED T5 light good? I found some, 18W that I could hurtle together and form a nice rack for my seedlings. Would this be a viable light? 

thanks! 

 
Posted : June 20, 2020 3:52 am
twisted1, monkeydo, TempleGrower and 6 people reacted
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