Hydroponics + Fish Tanks - Page 2 - Tropical Fish Keeping - Aquarium fish care and resources

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post #11 of 22 Old 03-17-2011, 10:14 PM
you guys do know there are edible aquatic plants

.... I'm probably drunk.

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post #12 of 22 Old 03-18-2011, 09:31 AM Thread Starter
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Yes, that would allow light into the fish tank.
Since we seem to be getting into the technical side of things, let's assume this is artificial light. It has to be fairly bright to grow the veggies. Tropical fish, for the most part, don't like excessively bright situations, sooo, rafting would shield out some of it, most likely leaving them with an acceptable light level. I don't know what the requirements for tilapia, bass, or trout would be, light or dim. Putting plants off to the side would certainly help with light intensity, it would just cut down on amt of veggies harvested.
There are infinite scenarios, and they would and could be tailored to individtual likes. If it weren't for the fact I have cats I could probably do a set up like that. Thing is, the one tank that would be good for it, the 56 gallon, would have to be drained and dropped to a lower level, taking it out of eyesight (which is want it for). So, I would most likely go with a more 'industrial' like set up: namely a 100 gallon tank on the floor with a raft system in it. Light hanging from the ceiling.

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post #13 of 22 Old 03-18-2011, 01:08 PM
I'm not sure why cold water fish are being suggested, bass and trout need a large tank, also a fish fishing lisence to keep(trout need the extra trout stamp). If anything panfish would be the best option since they are small and fast growers. Bass don't even taste that good IMO. Trout need true cold water tanks(chiller) and a strong current. Cold water will slow down plant metabolism and growth.

What I am suggesting is think outside the 'box'. A number of the larger aquarium fish are eaten in there native grounds. Along with a number of common aquarium plants being edible, generally the stem plants and tuber types. That said you need a good recipe to make them taste good usually.

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post #14 of 22 Old 03-18-2011, 01:18 PM Thread Starter
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Good suggestions there Mikaila...
In a sense this has been a bit of a mental exercise... Matter of fact, it occured to me I could lower the level of water in the 56 gallon column and that would allow the normal aquarium light to work as a grow light.. perhaps.. Although lumens and other whatnots will come into play.
And any aquarium plant that would have to be excessively gussied up to be edible.. peh, I think I'll stick with the regular veggies..
And yes, I know some of our fishy friends are eaten in their home countries... I've often wondered what Felix the Oscar would taste like. He's almost big enough now to be an appetizer. (Not that I'd actually do that, I like the fish.)

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post #15 of 22 Old 03-28-2011, 01:12 PM
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What do guys think about an algae scrubber? You wouldn't enjoy eating the product but it would keep nitrates and phosphates down really low and therefore, algae as well.

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Yes, that would allow light into the fish tank.
Since we seem to be getting into the technical side of things, let's assume this is artificial light. It has to be fairly bright to grow the veggies. Tropical fish, for the most part, don't like excessively bright situations, sooo, rafting would shield out some of it, most likely leaving them with an acceptable light level. I don't know what the requirements for tilapia, bass, or trout would be, light or dim. Putting plants off to the side would certainly help with light intensity, it would just cut down on amt of veggies harvested.
There are infinite scenarios, and they would and could be tailored to individtual likes. If it weren't for the fact I have cats I could probably do a set up like that. Thing is, the one tank that would be good for it, the 56 gallon, would have to be drained and dropped to a lower level, taking it out of eyesight (which is want it for). So, I would most likely go with a more 'industrial' like set up: namely a 100 gallon tank on the floor with a raft system in it. Light hanging from the ceiling.

Resuming Fish Keeping in the Gentle Mountains of NE TN.
"All that is necessary for the triumph of evil
is for good people to do nothing."
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post #16 of 22 Old 03-28-2011, 02:14 PM
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hmmm

not quite the hydroponics i envisioned....prefereably something grown of use...although i find algae scrubbers to be invaluable for larger marine systems.what kind of scrubber are we talking.

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post #17 of 22 Old 03-29-2011, 03:22 PM
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algae scrubber

The one that I'm planning to use in my 500 gal planted tank would be the typical screen with water cascading down with intense lights. I'm not sure about removing all the elements from the water in a heavily planted tank but I'm looking into that now. I would assume the algae that you'd remove from a system like this could be used to feed certain fish or at least fertilize an outdoor garden. Then you could grow vegs and eat them!?


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not quite the hydroponics i envisioned....prefereably something grown of use...although i find algae scrubbers to be invaluable for larger marine systems.what kind of scrubber are we talking.

Resuming Fish Keeping in the Gentle Mountains of NE TN.
"All that is necessary for the triumph of evil
is for good people to do nothing."
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post #18 of 22 Old 03-29-2011, 04:30 PM
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well

indeed..i didnt think of that..i will try it ou with my algae blenny...thanks

...........
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post #19 of 22 Old 03-29-2011, 04:49 PM
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Good luck

I love the idea of hydroponics PLUS an aquarium. I'm anxious to know what you finally come up with.
Good luck

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indeed..i didnt think of that..i will try it ou with my algae blenny...thanks

Resuming Fish Keeping in the Gentle Mountains of NE TN.
"All that is necessary for the triumph of evil
is for good people to do nothing."
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post #20 of 22 Old 04-01-2011, 12:59 AM
Just run the water change hose to the garden and call it good lol. Not that I would be bothered by eating an edible plant out of a tank. I like growing aquatics though. Its more worth while to sell them then to eat the edible ones IMO...

.... I'm probably drunk.

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