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Old 09-02-2015, 12:32 PM   #11
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Quote:
Originally Posted by gemach7 View Post
My concern would be the plants removing kh during photosynthesis and leaving gh and each top off adding more gh. Then when you do do a water change the tank water will vary grossly from the tap water.




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The water in an established, balanced system where plants and life co-exist is probably far healthier for them than what comes out of your tap. Healthy plants remove considerable amounts of most everything harmful in the water. You just need enough of them and to harvest of trim them regularly.

My beef with aquaponics systems is as already mentioned, overstocking and poor quality of life for the fish although I don't know enough about aquaponics systems to comment anymore so I will leave it there.


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Old 09-25-2015, 10:23 PM   #12
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My senior year in high school, me, my girlfriend, and my buddy did a aquaponics project for our greenhouse class. My teacher wanted us to do tilapia in a 300 gallon circular stock tub, but we wanted to do a little unorthodox aquaponics set up. We got a 100gal aquarium, stocked it with a couple blood parrots, two fire mouths, a pleco, upside down catfish, and a massive amount of neons. We wanted fish that produced enough waste, but still looked decent as a community. Plants grew just as well as they would've with the tilapia, and my teacher still has the tank for decoration today, almost a year later. Also, we did a 30% waterchange every two weeks, no gravel vac, and regular top offs.
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Old 09-30-2015, 01:13 PM   #13
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Were the neons food?


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Old 10-08-2015, 01:48 AM   #14
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Great topic to see here! I've wanted to do an herb aquaponic window side for a while now.
Not vacuuming the substrate seems logical. How much and type of substrate is best?
Are you OP talking about a flood and drain basin filled with lava rock medium? I do believe the deeper layers of the medium will maintain its BB between floods. Filtering and a snazzy looking tank could be achieved for sure. We've just got to select the right ratios of fish waste to plant and BB uptake and breakdown of waste.

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Old 10-08-2015, 01:58 AM   #15
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How about stirring up the substrate with your hand or other inferior tool before one of the daily floods?

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Old 10-08-2015, 03:40 AM   #16
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How's this for heavily stocked?


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Old 10-08-2015, 09:54 AM   #17
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I've been having success growing kale and basil in my 20 gal tall aquaponic system.
I found that adding smaller amounts of fertilizer and doing foliar sprays to apply micronutrients/macros is a better way to do it for a system on which you try to enjoy the fish.

I do one big water changes every 3-4 weeks and top off the tank with water and fertilizer weekly.

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Old 10-08-2015, 11:21 AM   #18
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What types of fertilizer after the pwc do you use?
Thanks Fel, any photos of your set up you could share?

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Old 10-08-2015, 11:30 AM   #19
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I've been adding potassium bicarbonate(my tapwater is around a kh of 2 so this adds buffer and potassium), chelated iron, Epsom salt, and some kelp extract.

When I first started the system there were lots of deficiencies, now they seem mostly under control (iron and then magnesium I believe). I also feed my fish 3 different forms of food a day as this helps bring in nutrients that maybe lacking in one type of food.

Also I have a sack of cooked and crushed egg shells by my pump to release calcium

I'll update the post I have for it when I get home

Fel's Planted aquarium/Aquaponic combo system!

^^The forum, I just updated it.

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