hi i have just aqquired an aqua-pro 2sp and to say the instructions are pants are an understatment! 
i have spent hourss scrolling through the net for some help but nada, nilch zip,none!! my main problem is the intake and output is pants comparred to my little interior superfish filter yet it is meant for 200-500 litres. our tank is 200 litres! we have pressed the grey button several times on top to make sure no air and it gains output flow for minute or so and then back to half the flow again - please can someone out there help me im starting to seriously regret ever starting a tropical tank at this point 
i have spent hourss scrolling through the net for some help but nada, nilch zip,none!! my main problem is the intake and output is pants comparred to my little interior superfish filter yet it is meant for 200-500 litres. our tank is 200 litres! we have pressed the grey button several times on top to make sure no air and it gains output flow for minute or so and then back to half the flow again - please can someone out there help me im starting to seriously regret ever starting a tropical tank at this point 