Here is the new Hydro set up…3 days in.
New Hydro Set Up
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I saw your video. Very good. You should add voice ro it and do a journal with the video.
that would be a first here I believe
Will
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Thanks.
I will be updating my results, and hopefully it will be worth viewing/reading!
I look forward to it.
Will
Hey @DejaBlue I have two little tidbits of advice for you with your setup… first thing is put some sort of cover over your blocks or they’re going to start to produce algae because there’s a top feed there and the tops of the blocks stay wet which leads to algae… second thing is keep an eye on your water temps with A continuous water pump like that water temps tend to increase and will no longer work as well as you’d planned … but I like your setup and it looks like you’re off to a great start will definitely keep an eye on this post good luck and keep it green brother…
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Thanks for the feedback.
I have seen the covers to prevent algae, and I will take your advice on that.
The water reservoir has an aquarium heater set to 72 degrees and has been pretty consistent. I am toying with the idea of putting the heater on the same timer as the air pump so as to activate an hour before each of the three feedings for the plants. It’s only a 5 gallon res, so the heater can get the water up to temp in just a little time. Not sure if that makes sense, or gains any electrical efficiency or not. But for the three hours of feeding, why heat or aerate the water for the other 21 hours in the day?
I could be drifting into the Overthinking Zone!
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No that makes sense… I’m always fighting Heat issues so it’s quite the opposite of your situation…
Happy New Year brother
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This is pretty cool 
Thumbs up for the video journal
Today is not a good day.
Three of my four plants have stretched so much that even after I supported them with straws, their stems have started to looked pinched in the mid section.
In desperation, I pulled out the rockwool plug and lowered the plant so that only the top little leaves are protruding to the light.
It’s probably too late.
I started with a cheap Walmart grow light, and they stretched too far for their own support. Now I have a new light which I wish I had started with.
I do have one plant which hasn’t displayed the pinched stem thing so far…hopefully it can survive!
You might be running into a form of damping off …because your blocks are staying wet too long …when messing with rockwool you either want to leave it sitting in about a quarter of an inch to 1/2 inch of water depending on size of block or you only want to drip on top of the block for maybe 15 to 30 minutes twice a day and that’s usually it …so it just might be a matter of over-watering which is kind of hard to do with rockwool …but looking at your setup it is a top feed drip and your plants might not be established enough for so much water…
In all of my research to create a hydro system, nowhere did I find anyone that recommended how much water to schedule for the plants. To this point it’s an hour of water - three times a day. (9am, 3pm and 9pm).
I have canceled tonight’s watering and have reduced all further watering to 30 minutes each, in hopes of saving my last sprout.
Oh gosh, that’s far too much water for seedlings😱
Trust me I know …it’s always the little things that nobody ever tells you that end up sneaking up to bite you in the butt… but no worries we will get you on the right track brother…
What do you recommend?
A fine mist a couple times a day for seedling until they are at least 1-1.5 weeks old. Maybe a couple oz of water after that; it’s kinda weird to say it, but think about you have to feel the plants needs for water. If she is that tiny does she need an hour of rain fall more than once a day? She won’t drink all of that. She’s just a baby 
Hope this helps bro
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Thanks for the advice.
I guess I thought that the water would just run through and the plant would digest what it needs.
Living…AND learning.
So I got that going for me.
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No problem, anytime. That’s why I’m learning too, just so many threads to read, I noticed the most often problems are over/under watering, and ph ph ph ph lol
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So…
I have dissected the small rockwool cubes that holds my sprouts (which grew too tall to be able to support themselves, combined with what was likely too much watering) and lowered the plant down into the cube exposing only the tops. I thought they would die immediately, but they seem to still have life. When I opened up the cubes, I found very little root activity, and the stems were narrowing in the middle.
Can these sprouts still recover?