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  1. Having a problem catching fish in my deep IBC tank without emptying most of the water. Am trying to find a 36" square net that I can put under the fish and then lift them out. Anyone has a source for appropriate net or a method for catching them?
  2. I am wanting to use Landscape timbers to build a 3" high support structure for a gravel grow bed. Has anyone built a similar structure?
  3. Here is an interesting video that will add understanding to the discussion. Enjoy. Kingjam
  4. It is my understanding that roots need water and air thus Flood and Drain is the way to go, but you are saying that constant submersion of roots are OK. Does this not cause root rot? I suppose some roots are not bothered by constant immersion. My Kang Kong would probably do well with roots immersed in water.
  5. I want to convert my current system which has an on-ground IBC Fish tank that gravity drains down to a raft growbed from which water is pumped back to Fish Tank. I put the raft on the ground to avoid having to build an expensive raised raft grow bed. I want to convert grow bed into a Flood and Drain gravel growbed by putting in a sump below the ground level so that the on-ground raft grow bed can be filled with gravel and used as a flood and drain bed. The problem is that since the raft growbed is on the ground I can't get under it, also it has no wooden bottom but the liner rests on the ground. I therefore cannot build an internal bell siphon to do the flood and drain action. Is there a way to build an external bell siphon hooked up to a J-siphon to drain the grow bed?
  6. How do you connect two separate flood and drain gravel grow beds so that they fill and drain as on unit using only one bell siphon and one input pump. I think I remember reading about a loop siphon to do this job. Anyone have a diagram or video I can watch to see how to do it?
  7. We are colder in Sarasota and my fish in IBC is still alive. Not eating much though. On the two freezing nights a couple weeks ago, I just covered the IBC with plastic I got from Home Depot and took a little portable room heater, put it on the ground under the side of the plastic aiming it at the side of the IBC. I set the heater for 70 degrees and left it on overnight. I figure that sufficient heat would warm the side providing a warm spot where they could huddle if they desired. The rising warm air also collected under the plastic and was trapped there. I wasnt interested in optimally heating the tank, just wanted to prevent them from dying until it warms up again. I had removed the babies and my breeders and put them into a 125 gallon indoor aquarium as a precaution to save my stock should the outdoor grow out fish die. The aquarium is heated to 83 degrees and they are eating voraciously and growing fast. When I redo my outdoor set up I was thinking of a greenhouse fabric cover with a rocket stove to warm it on cold nights.
  8. Is the algae in the grow bed or in the fish tank. If in the fish tank, tilapia love to eat it. In my indoor tank I observe that even when they leave pelleted food alone, they will immediately go for the filamentous algae. Many varieties of tilapia are vegetarians. They also love lettuce.
  9. My water spinach has gone to see and overgrown and is at a end. My cabbage is nutritionally compromised and looking poor, but my WATERCRESS IS FLOURISHING. It is taking over the top of the raft, shows no nutritional deficiency and is beautifully green. Now I know why Green Power plants watercress. For those of you who use plants only to purify fish water, this may be your ticket.
  10. If you plan to install moving bed filtration and DWC (water) grow beds, you will need a lot of air in the grow bed in order to keep the roots happy. I have both and still should have more air. I bought a Hakko 80L but don't have it installed yet. When I get it installed I will use the existing air pumps indoors where I have brought my Breeders and fingerlings to over-winter.
  11. I just moved my breeders and fingerling indoors into a 125 gallon aquarium. The fish wouldn't eat until I heated the room and then added some fillamentous algae and to my surprise they loved it and began feeding again. I was thinking of how to grow more fillamentous algae for two purposes. The first is removal of nitrogenous wastes and for food. I am intrigued by the green water concept. Am I correct is assuming that green water is caused by unicellular algae? I have watched some youtube vids of growing algae for biodiesel production. Their method is to use unicellular algae in water bottles with nutrient solution with air bubbling through.
  12. Some of you who have a problem with filtration in a Breeding Tank or aquarium might find this video and link interesting. Searching for a good solution for filtrating my 125 gallon breeding aquarium led me to to using foam filtration. Then I ran into these videos and the system set up really impressed me. It was simple and effective. So much so that I just ordered a piece of 20"x18"x3" #20ppi reticulated foam for about $45. Scroll to the bottom of page for videos. kingjam
  13. I just bought a nice 125 from Craig's List. I need to know the best way to set up a 125 gallon tilapia breeding aquarium indoors. I don't want to hook it up to a hydroponic plant system. I need to build some kind of filtration system. Anyone have, or know of, a good design? Kingjam