Reviews on fluval g3/g6? - Page 11 - The Planted Tank Forum
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post #151 of 227 (permalink) Old 04-11-2011, 06:17 PM
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Originally Posted by Epitaph View Post
The specs for the G6's pump output is:
230-240V/50Hz: 2460 l/h 650 g/h
120V/60Hz: 2510 l/h -665 g/h
They also listed the approx. filter circulation (1000 l/h -265 g/h), which is what probably misleads hobbyists.
I missed this one.. are you saying that the G6 has a flow of 2460l/h (650g/h) or what we normally call flow.. and not the 1000l/h?
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post #152 of 227 (permalink) Old 04-12-2011, 12:05 AM
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Originally Posted by Golightly View Post
I missed this one.. are you saying that the G6 has a flow of 2460l/h (650g/h) or what we normally call flow.. and not the 1000l/h?
Filters list their pump output on the box (nothing attached at all), while the G6 lists the circulation rate (everything in the filter like media, baskets, etc).

Yes, the 2460l/h is what we usually call "flow".
The Eheim 2217 have a "flow" of 264 gph and the G6 have a "flow" of 650 gph.

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post #153 of 227 (permalink) Old 04-12-2011, 09:50 AM
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Thanks! THat explains why the fish are being swirled around in a vortex.
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post #154 of 227 (permalink) Old 04-12-2011, 12:43 PM
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how did you cap it and how did you attach two spray bars to one another?
Just using the stock parts. Pop the end off of one of the tubes and use it to cap one of the Y outlets. The spray bars just pop together using the ball and socket ends.

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post #155 of 227 (permalink) Old 04-12-2011, 04:26 PM
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I have one if the legs of the "y" capped and both spraybar tubes connected to each running across the side with flow directed down about 50 degrees. Makes a nice flow across the bottom and back across the top of the tank.
damn, i didn't even think about connecting the two spray bars together to each other. gonna have to try some new arrangements this week.
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post #156 of 227 (permalink) Old 04-13-2011, 11:49 AM
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Seeing the flow is a lot higher than I expected on the G6, what's the best way of reducing it? Or distribute so it's not as strong flow?

Would lily pipes or spray bar work best? Or something else?

And has anyone tried to use a AquaMedic CO2 reactor on the G6? Is the flow too strong or?

Last edited by Golightly; 04-13-2011 at 12:16 PM. Reason: added question.
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post #157 of 227 (permalink) Old 04-13-2011, 07:07 PM
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Golightly,

The lily pipe is designed to reduce velocity and draw in more volume from the surrounding water to create a larger, but less forceful flow.

Some have tried enlarging the holes in spraybars to reduce velocity. Mixed reports of success, but you never know what exactly was done. It may be worth buying a cheap spraybar and experiment before altering your original

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post #158 of 227 (permalink) Old 04-16-2011, 12:25 AM
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hi to you all...

anyway been reading these threads for a while and the info given is fantastic...

i have just recieved my new tank which is a juwel rio240 and i am planning on housing a 2inch oscar by itself and hopefully raise a healthy adult fish..

the juwel comes with built in filtration and heater and i know a oscar are big messy fish so i want more filtration...i was planning to buy a fluval fx5 but realized it wouldnt fit in the cabinet so was going to get a Eheim pro3 2078....

but i saw the g6 and thought wow love the whole design and ease of cleaning...

so my question is this my new tank is about 63gal USA...is the G6 still holding up well for the poeple who have had therm running awhile and do you recommend them still....also is there such a thing has over filltering your tank,what with a G6 doing 260+gals an hour and the juwel doing 160gal per hour...sorry for the long thread and hopefully joining the G fanclub...
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post #159 of 227 (permalink) Old 04-26-2011, 03:33 AM
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the only issue i have with my g6, after 2 months of use, is that the velocity of the flow is a bit too strong for my 56G column tank (only 30" long). If I had a wider tank, it probably wouldn't be an issue.
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post #160 of 227 (permalink) Old 04-26-2011, 05:24 AM
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I want one of these bad boys. Going to wait until the price drops.
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post #161 of 227 (permalink) Old 04-27-2011, 01:45 PM
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Mine is noisy, the temperature reading is completely off, and the EC reading is on the order of 900-950 us/cm AFTER a water change. I have owned this filter for about 3 weeks. So far, not too happy. Hagen's customer service has been trashy.
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post #162 of 227 (permalink) Old 04-27-2011, 02:07 PM
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Mine is noisy, the temperature reading is completely off, and the EC reading is on the order of 900-950 us/cm AFTER a water change. I have owned this filter for about 3 weeks. So far, not too happy. Hagen's customer service has been trashy.
Mine was noisy too, but I noticed that it was the outflow hose that created a vibration noise.. not the filter. I fixed it by using a slightly longer hose. Problem was that I had a very short piece of hose that went from filter to my AquaMedica Reator, then to the outflow lilypipe. By making the hose slightly longer the noise disappeared.


I do also have a very high EC reading, at 600.. but that because I have very hard water, maybe you do too? You can change the limit before the alert goes off to a higher value in the menu options.
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post #163 of 227 (permalink) Old 04-27-2011, 02:31 PM
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Noise is definitely coming from the motor/impeller. It makes my whole living room hum. The EC reading is high for my gH and kH:

kH (ppm) 36
kH () 2
gH (ppm) 179
gH () 10

Temperature reading has been checked against lab grade mercury thermometer. Its reading 2-3 degrees lower than my tank really is.
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post #164 of 227 (permalink) Old 04-27-2011, 03:46 PM
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Mine are not silent, but are a bit quieter than my Eheim pro 3. Still quiet.

Yours is not normal, obviously. Have you tried to work with the dealer? I haven't seem any of the large manufacturers provide great support to consumers.

Also, have you tried doing the maint procedure on the pumphead? Inspect the impeller for proper seating, broken blade....any imbalance can create a disproportionate amount of vibration.

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post #165 of 227 (permalink) Old 04-27-2011, 08:01 PM
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It's common for digital thermometers to be off a few degrees from mercury thermometers. As long as the water is kept within range and stable there shouldn't be any problems even with the minor discrepancy.

179 ppm gH is moderately hard water and with other factors like fertilizers and water temperature, going over the 500 μS/cm range wouldn't be surprising at all for a planted aquarium. But going over 900 μS/cm after a major water change is odd. You can try testing the filter in a bucket filled with just distilled water or rainwater and see whether the conductivity meter is working properly or not.

You should definitely re-check the filter carefully like the other members advised. That degree of noise shouldn't exist. Hope everything works out for you.

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