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28 days form seed to harvest was the best I have hit (I only have 1 Russian Tortoise) to feed. It seems to average about 30 days.
I have not had to add in additional nutrients, I just top off the water when needed. After I harvest, I start from scratch again with a new batch mixed up.
If you purchased the exact same Fertilizer that I did, you will use warm water with the following ratio:4 Gallons of tap water5 Tsp of Nutrient Mix
Rockwool is made by melting a combination of rock and sand and then spinning the mixture to make fibers which are formed into different shapes and sizes.
Here are a few pictures of the "outside" system I setup during the summer to grow more lettuce. It is basically the same as the one featured above except it uses a 20 gallon long aquarium and a piece of green floral type foam to "float" the lettuce on the water surface. I spray painted the outside of three sides black to cut down on the algae growth and leave one side clear so I can see what is going on root wise. Something similar should work to try this out for Aquaponics. - Please post some pictures if you do this.
The lettuce seeds I used sprouted very fast, within a day or two so I am not sure that matters. Light will not hurt them so I think you can have it on from the beginning. As for how high to have it, that will need some experimenting. If your sprouts look like they are "reaching" for the light or growing too long and thin, your light is too high, if the light is too close, you can burn them. How many watts does the light put out? I would guess maybe 12 inches off the tops of the plants so raise it up as they grow. Also if you have it in a window, the natural light will help throughout the day and you can always spin the unit to make sure all the seedlings get an "equal" shot at the sun.
I think you could but I would leave out the fertilizer then - the fish should provide that. I think you would need to start the fish first to allow some build up of "nutrients" and then you could add the seeds. You might want to leave one section open so it is easy to feed the fish
JohnC430 - I have not heard of click bate before but if you think there was an intentional omission on the LED lighting, you are correct. This was a experiment to see how inexpensive I could build out the system. As I indicated to another comment, I have the LED lights working on another project. The other project is to see which LED light works the best and is the cheapest. I will publish or add that when I see the difference. I am also an Amazon Prime member so shipping if free for me. There was no malice or trickery intended
Great catch - I did use the Check Valve in the build but forgot to mention it in the steps. For how cheap they are, it is safer to always use one. I will update the steps - thank you
I just used a PennPlax aquarium air stone - nothing fancy but it is about 8 inches long. The pump is this one - Tetra 77851 Whisper Air Pump, 10-Gallon. Really any pump and air stone combination that can support a 5-10 gallon tank should work.
Exactly right - this works great with lettuce
A very sunny window in the day works great and you can supplement at night with one of those LED bulbs like from Amazon - this is one that should work great - https://smile.amazon.com/dp/B00S2DPYQM/ref=sxr_rr_...I have used this for another project I am working on
This is a great suggestion - wiping it out with some bleach will go a long way to ensuring a healthy next crop
Thanks, he deserves it
Oxygen is the real requirement so the fountain pump would not work but you could power the air pump off a small solar setup
Low Income Hydroponics Syst...
Hi-Contrast Gaming Table
Thank you - it's quite fun to do as well
Thank you, there were a ton of color choices so you should have no trouble finding one that appeals to you.
I made this one for my brother-in-law. He is color blind and can only really see yellow so I went with it for the base. I used a blow torch for the rest and a bee's wax finish over top. Was a fun project, thanks for the inspiration.
Make Your Own Gaming Table With Built-in Game Storage
That is a great project - would love to see some pictures when he is done and if I can help answer any questions, just let me know.
Love the idea - think I found my first summer project!
I would really love to see a picture of it. What about outriggers hanging off each side? Build up two thinner but slightly longer "boxes" and seal them well so they are buoyant...Love the tea idea too, nice relaxing way to spend the day.
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Not too much has changed over the five years but this year will be much different, I am going Hydroponic and will post some pictures once that is up and running some time this month.These pictures are from a couple years ago I think.
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