Oh, do I got one for you......
I give you, my air pump powered kalk drip!
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I made an "overflow box" with household items.
Tell me what you think.
Used a water bottle for the overflow box. Made a siphon with a garden hose. Put the water bottle on a stand to get my water level where I wanted it (hard to tell from the pics but it's just above the wood trim in the tank and the water bottle). Drilled a hole in the water bottle just below the waterline and pressure fitted a hose. This hose drains into my sump. The sump can't flood because there is no siphon from the water bottle to the sump, just gravity feeds the sump.
In the sump I put the return pump as high in the water as I could. This way if my overflow box breaks siphon I won't flood my tank. The pump will move about a gallon of water into the main tank before it runs dry and that's not enough to flood the main tank (I tested this theory out to be sure). If I've thought this through properly the only thing that could happen is the siphon breaks and the pump runs dry and might possibly burn up. $20 pump vs 10 gallon flood? I'll buy a new pump.
Here is what it looks like all together.
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Kalk dripper
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Here is my home made wet/dry trickle setup on a 29g Reef in my bedroom that i set up in Feb 2009.
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These are the completed filter towers and overflow line.
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Here is one of the drawers that i drilled holes in the bottom for drainage and stuffed with dollar store pot scrubbers.
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This is the top two drawers with filter floss to remove large detritus. Its since been switched to the blue and white pad type floss. Also i sandwhich carbon between two layers of floss.
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I used an 18g rubbermaid container for the sump and I have a small tetra pond pump for the return pump.
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Shot of the tank a week after it was set up.
yep those are SOCKS!:lolspin:this is pretty ghetto:
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that sock got me laughing. whats in it thats giving it its shape. looks like a bottle.Nothing was is the sock it just stayed that way, prob from the air coming out of the return. looked rather fun thats why i took the picture, my kids also laughed for days about it.