Fluval FX5 intake modification question. - The Planted Tank Forum
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post #1 of 9 (permalink) Old 04-08-2017, 04:12 AM Thread Starter
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Fluval FX5 intake modification question.

Hi. i recently made a spray bar for my fx5 and it works perfect but i was wondering if modifying the intake would affect filter performance.
What i am planning to do is put a PVC "T" where the strainer is and then 2 pieces of PVC 2 feet long on each side with a strainer in each end.
thanks in advance.
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post #2 of 9 (permalink) Old 04-08-2017, 04:21 AM
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I would not think so but will let others answer that. I have an FX4 and am interested in how you created your spray bar? Do you have any pics? Was thinking of making one myself. Wish there was a pre made kit out there for it.


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post #3 of 9 (permalink) Old 04-08-2017, 04:29 AM Thread Starter
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I would not think so but will let others answer that. I have an FX4 and am interested in how you created your spray bar? Do you have any pics? Was thinking of making one myself. Wish there was a pre made kit out there for it.


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really easy. I'll post pictures tomorrow.
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post #4 of 9 (permalink) Old 04-08-2017, 04:29 AM
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really easy. I'll post pictures tomorrow.


Thanks. Really appreciate it.


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post #5 of 9 (permalink) Old 04-08-2017, 12:48 PM Thread Starter
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Thanks. Really appreciate it.


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Here are the pictures. as you can see it is kinda hard to take pictures since the spray bar is black and the background too.
i made it using 3 quarter pvc and drilling holes (13/64") every half inch but the amount of holes depends on the lenght of the tank, mine is 5 feet long and the bar is 4 feet.
I cut a little piece of pvc and put it where the output was and the ln to that piece i connected an 90 pvc elbow then the pvc pipe and lastly the end cap, after that i spray painted everything
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post #6 of 9 (permalink) Old 04-08-2017, 01:22 PM
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Regarding the intake - your proposed changes should not make any difference to the filters performance. The 2 strainers vs 1 strainer will give you a much slower intake flow at each strainer (this could be good for some reasons) but your water flow rate up the vertical intake pipe should remain unchanged and thus your filter performance would remain unchanged.
If you added some type of sponge filter over each strainer (assuming 2 strainers), then your filter performance may improve some in that your maintenance interval could be drastically extended. Down side would be you have to pull the sponge filters off and clean then regularly.

BTW, nice work on the spray bar.


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post #7 of 9 (permalink) Old 04-08-2017, 01:44 PM Thread Starter
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Regarding the intake - your proposed changes should not make any difference to the filters performance. The 2 strainers vs 1 strainer will give you a much slower intake flow at each strainer (this could be good for some reasons) but your water flow rate up the vertical intake pipe should remain unchanged and thus your filter performance would remain unchanged.
If you added some type of sponge filter over each strainer (assuming 2 strainers), then your filter performance may improve some in that your maintenance interval could be drastically extended. Down side would be you have to pull the sponge filters off and clean then regularly.

BTW, nice work on the spray bar.
Thanks.
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post #8 of 9 (permalink) Old 04-08-2017, 03:52 PM
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Originally Posted by illbethejudge View Post
Here are the pictures. as you can see it is kinda hard to take pictures since the spray bar is black and the background too.
i made it using 3 quarter pvc and drilling holes (13/64") every half inch but the amount of holes depends on the lenght of the tank, mine is 5 feet long and the bar is 4 feet.
I cut a little piece of pvc and put it where the output was and the ln to that piece i connected an 90 pvc elbow then the pvc pipe and lastly the end cap, after that i spray painted everything


Probably the dumb question but spray paint safe? Obviously if you've done it it's been fine, I just never new it would be okay in a tank


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post #9 of 9 (permalink) Old 04-08-2017, 07:37 PM Thread Starter
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Probably the dumb question but spray paint safe? Obviously if you've done it it's been fine, I just never new it would be okay in a tank


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I use rust oleum painters touch spray paint it says is gor plastic in the container and i never had a problem with it. only thing i do is let it dry for 48 hours or more.
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