We installed the pump on the weekend, the first photo is the flow at the top tank and the second is the return from the grow beds. I will have to enlarge the outlet as the flow is too fast and slowly creeps up the side to almost overflowing. It already is 20mm but I think I will increase it to 1 1/2 inch just to be on the safe side. So we are now ready to install a air pump and air stones and then add gravel fish and plants.
will you hurry up and get it up and running so when i come back to oz i can come and have a look
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