Question 1

Currently have a 10gallon but will upgrade shortly to a 30ish for a yellow eared turtle.  Does this sit on the bottom where it could suck in the food and waste that collects on the bottom where my river rocks are?  It has proven hard to get that out and the pleccu is not cleaning it up as of now.

Accepted Answer

Mine is laying on the bottom of my tank and i have never had it sitting upright. I can tell you it does pretty well sucking everything up. However, i usually have one spot in the tank, right underneath the filter where debris sits. When I need to water change I just make sure I get the debris out with a fish net. That seems to work pretty well. It is the best filter I have had so far (with a turtle that has killed 4 filters), just make sure to clean the motor fan with every water change or filter media change.

Question 2

Does the U4 filter have space to add activated carbon pellets?

Accepted Answer

Yes it can, in the center of the filter there a removeable plastic cage. I put a small Chemi Pure bag in it. But I didn't care for this filter and not cause it didn't work. But I was wanting something more as a skimmer type filter and I wasn't getting enough flow out this filter unit. But it did work, if your running this on a smaller tank say no 30 gal freshwater ok. I was running it on a 29 gal reef tank with lots of live rock and it couldn't push enough water around it. But it did filter the water good.

Question 3

Do all 3 outputs work at the same time?

Accepted Answer

No, you have to pick a setting. I use mine for moving water in the bottom of my tank. It also seems to be he strongest setting out of the 3 choices

Question 4

Can I change the direction of the water coming out of the nozzles? For example directing it upwards instead of horizontal.

Accepted Answer

There's a small directional piece on the end of each nozzle you can turn to minimally direct the flow - but not nearly that much.

ASIN	B001XRXY1G
Best Sellers Rank	#12,748 in Pet Supplies ( See Top 100 in Pet Supplies ) #682 in Aquarium Accessories
Brand	Fluval
Brand Name	Fluval
Capacity	240 liters
Container Type	Filtration container
Customer Reviews	4.3 out of 5 stars 3,209 Reviews
Global Trade Identification Number	00015561104807
Included Components	Filter
Included components	Filter
Installation Type	Underwater
Item Dimensions L x W x H	13L x 12W x 36H centimeters
Item Type Name	HAGEN FLUVAL U4 UNDERWATER FILTER
Item Weight	1.12 Kilograms
Manufacturer	Rolf C. Hagen (USA) Corp.
Material	Metal
Material Type	Metal
Maximum Flow Rate	1000 Liters Per Hour
Model Name	HAGEN FLUVAL U4 UNDERWATER FILTER
Model Number	A480A1
Number of Items	1
Number of Packs	1
Package information	Filtration container
Part Number	HGA480
Power Source	Corded Electric
Product dimensions	13L x 12W x 36H centimeters
Purification Method	Biological Filtration
Supported Water TDS Level Maximum (PPM)	350
UPC	015561104807 764999862437 155611048009 015561104784 081175371515
Unit Count	1 Count
Upper Temperature Rating	80 Degrees Fahrenheit

U4 Underwater Filter, Freshwater and Saltwater Aquarium Filter, A480, Black

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