Fluval 405 under tank placement

[Texas Yankee]

I have a 105 gallon tank - if I put the Fluval 405 filters in the cabinet
under the tank, the canister base will be about 4' 10" below the water
level - the instructions say that the base must never be more than 4' 5"
below the water level - the hoses are long enough - is there going to be a
problem with the 4' 10" distance?

[Koi-Lo]

*NOTE: There are two Koi-Lo's on this NG*

Pecking at the keyboard with two fingers <Texas Yankee> at
> turned out this gem:

> I have a 105 gallon tank - if I put the Fluval 405 filters in the
> cabinet under the tank, the canister base will be about 4' 10" below
> the water level - the instructions say that the base must never be
> more than 4' 5" below the water level - the hoses are long enough -
> is there going to be a problem with the 4' 10" distance?
=========================
Why not sit it on something under the tank? Perhaps an empty coffee can or
old flowerpot upended.
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Koi-Lo....
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[Altum]

Texas Yankee wrote:
> I have a 105 gallon tank - if I put the Fluval 405 filters in the cabinet
> under the tank, the canister base will be about 4' 10" below the water
> level - the instructions say that the base must never be more than 4' 5"
> below the water level - the hoses are long enough - is there going to be a
> problem with the 4' 10" distance?

The extra height produces more head pressure. Your filter will pump
somewhat below the rated waterflow. If you can, put it on blocks or a
shelf to bring it closer to 4'.

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