Well here is the growtech skimmer
Ok so a unit rated for a 200 gallon costs 650 euros
the apf 600 deltec
rated for 200 gallon, I only could find the us price and it was 271.00 us
for the scharun i found this one
it is rated for a 225 gallon, I couldnt find the price on this one
but anyway thats what they look like
Mike