Simply Koi and More Koi

i have a 60sq m2 pond 21ft x 10ft x 7ft ish , at the moment i have got it linned but i have had enough of the ugly flaps in the liner plus i want to add another return which i can do before fibre glassing it ,also i have a leek in my veggie filter ,so i could kill a few birds with the same stone ,i ...

i have a 60sq m2 pond 21ft x 10ft x 7ft ish , at the moment i have got it linned but i have had enough of the ugly flaps in the liner plus i want to add another return which i can do before fibre glassing it ,also i have a leek in my veggie filter ,so i could kill a few birds with the same stone ,i ...

the vortex should be the first thing that your drains go into , my vortexs pickup so much crap its unreal this would block your nexus before long, and i agree with thelast person a airated bottom drain is total the roght way to go no pipes in the pond and you can allow what ever amount of air in the...

ok my spelling is terrible

could anyone tell me the follow rate of a grunfos central heatind pump and wheather i could use i of a bottom drain in a quarteen room to pwer a pressure filter or would it not have enough guts