Hi Crusty,
I'll try to take a couple of more photos soon(in the next day or so), but for now,if you go to post #4 on this thread,the first picture,is a picture of my barra tank now, if you pan left,I have a 1000 litre grow bed roughly 1800mm X 1200mm X 300mm,Sort of to the left of picture but off it.On top of the barra tank you can see two 25 mm pvc pipes,one is a delivery pipe,which delivers nutrient to the opposite end of the grow bed to the drain,the other is the drain 40 mm with a 40 mm ball valve,reduced to a 25mm pipe.The bottom of the grow bed is about 100mm or so higher than the top of the fish tank.The media is 20mm white cottage pebbles.I also have a couple thousand worms in the grow bed,but I haven't seen them since I put them in.
6000 litres per hour pump max 99 watts,controlled by a float switch and stand pipe timer setup for memory,the pump operates 2 3 or 4 times an hour for a few minutes each hour,fast fill slow drain. I have 1 500 litre fish tank with 2 300 watt draeger(I think it is) aquarium heaters and a two line air pump operating 2 150mm air discs.In the grow bed,I have,spinach, broccoli, Chinese cabbage,a curry tree, rosemary,a strawberry bush,and chillis.All doing well.I have 20 barra looking good,can't wait till Christmas,some barra on the barbie sounds pretty good to me.
Cheers.


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