fluval fx4 vs fx6

7:11

7:16

10:21

2:54

4:34

4:36

8:59

6:36

2:13

4:45

4:52

15:04

9:16

13:56

12:57

7:55

2:31

5:42

3:15

1:03

4:40

10:12

4:43

10:29

15:34

3:18

3:44

9:28

2:19

13:33

11:17

15:27

2:10

15:26

4:31

10:16

10:07

1:51

10:02

13:19