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well in continuation this thread I have questions too! I'm using canna aqua fert. Really confused on this seedling fertilizer. I watched a great video on youtube on fertilizing seedlings. When they are a few days old 1/4 strength. About two weeks do 1/2 strength. And when the cotlydons fall...

Please explain...everything I have read says to include what is in tap. For example, if I need to have 1000 ppm in my solution and my water is 220ppm at tap, I add 780 ppm nutes.

I am learning, maybe a few grows and I will be giving people advice on the forums here haha. If I can get my meter to work with EC i'll do that. Otherwise its going to be ppm for me. Question, when you say .2-.6 EC on seedlings does that include the EC of the plain water. My water is 220 ppm...

Its 73 in there right now, I will wait a couple days to see if they do better and if not I have more seed to use, just hate to waste seed and nutes :/

ya I only have 2 sets of leaves. I wish I could send some pics to show you what I've got. So after I have 5-7 sets of leaves I can fertilize at regular strength, but up until then only about 1/4?

my ec meter is strange. I have my water at 220 ppm with nothing in it, but the ec meter says its like 400's and I'm sure its not the ppm lol.

Ya they're leave are a little yellow and curled over a bit. Right now I have 580 ppm. At what stage do you consider a seedling to be in the beginning stage of veg growth? Mine were doing just fine, but they got some heat stress, then my heater went out so they got cold (about a week ago) and...

It seems to me PPM gives a more accurate measurement as the PPM will fluctuate with nutrient uptake. Does EC fluctuate as well with nutrient uptake?

Okay newbie here having trouble with conversions. Let me explain my set up first. I am using a recirculating system with Canna Aqua nutrients. I have a Hanna Combo Ph/EC/PPM Meter (the black one). I also have questions about adding my initial PPM from tap water. Here is what Canna says...

I have a platinum led grow light 450 model. It is an 11 x 19 inch light. I am going to be starting from seed and was wondering what height I should be placing my light during seedling growth and veg/flower. I will be lighting up a 3 x3 tray with probably 4 plants in it.

what problems did u have with rockwool? I got nutes that are compatible with rockwool. The grow shop by me said stuff like fox farm will clog up lines and rockwool as well. I got canna aqua.

thanks for the great info. I am still not sure about lighting. I understand that when my plant is ending the seedling/entering veg growth I want to have my lights going regularly in terms of time intervals and distance from plant, but what about the lighting while a seedling? Should I water my...

I have a few questions on the flood and drain system. I have 2 3x3 trays with my seeds going in rockwool cubes in a dome right now. Most have sprouted and are 1 inch tall. At what point do I introduce them into lighting. I will be using 2 platinum led 450s. I also want to know when to start...