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[bokostas]

Έτσι βρε θα σας άφηνα?

http://www.aquariacentral.com/forums...d.php?t=215102
"I decided also to do a GPH test since most canisters are overrated by 1/3 to ½ their true operating GPH. Using 2 5 gallon water bottles and a stop watch I observed the emptying of one bottle and the filling of the second. With the Ύ hoses with not necked down end fittings of ½” the average GPH was 165 GPH. With the small ½” end fittings attached the GPH average was 150 GPH.

This is the same GPH measures in the XP4, the Fluval 405, and allot of the Ehiem 100 gallon models. In fact about 10-15 GPH better. Many people don’t realize how fast 150 GPH is, but it is fast enough that most faucet and outside hose bibs with restrictors removed, cannot flow out fast enough to keep up with them as they are about 120 GPH."

Δοκιμάζει το 1.000άρι και μιλάει για 165 γαλόνια/ώρα, δηλαδή για 625 λίτρα/ώρα.
Διαβάστε όλο το θέμα, είναι ενδιαφέρον.