Fluval FX5 External Canister Filter, on a 75...?

No. That is a claim they make that has no basis on facts. Debris rots in any filter that traps it, so either their filters do not trap debris or they are making it up, period. If YOU the fishkeeper do not remove the debris it is still in the system and rots which increases nitrate and phosphate.

Are you sure you are doing the test correctly? Most people do not do that test right, at least not at first. If you don't follow the instructions to the letter it comes up as a false 0. An unplanted cichlid tank with 0 nitrate is effectively impossible to achieve.
 
I never said zero Nitrates. I said that the nitrates barely registered. And yes, I know what I am doing.

As I stated, I have been doing this for most of my life, I must ask, are you calling me an idiot or a liar?

I am glad to meet someone ( You ) that has more knowledge on the way filtration works than the company that has been doing it longer than anyone.



My conversation is over with you.
 
What about their design makes it work better by not cleaning for months? If this is true than there has to be something known about how and why. If not, then just drink whatever koolaid they serve you.

I would love some more info. Like I said, it is effectively impossible to get 0 nitrate, especially in an unplanted cichlid tank. Most tap water runs at least 5-10. SO if you have somehow managed to create a setup and maintenance regimen that achieves this, please share.

I am not calling you an idiot or a liar. I am saying that I can't believe it. IME it is very common for people to not do that test properly, so IMO that is the most likely issue. If that is not it then I would love to understand what you have done and how.
 
reptileguy2727 said:
What about their design makes it work better by not cleaning for months? If this is true than there has to be something known about how and why. If not, then just drink whatever koolaid they serve you.
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I dunno what makes them work the way they do and do it so well. I have owned and used **** near every filter on the market and the Classic Eheims are the only ones ( from my experience ) that work better and more efficiently if left alone. I replace the floss every 60-90 days ( as needed )and dont touch the media. I back flush the media twice a yr.
reptileguy2727 said:
I would love some more info. Like I said, it is effectively impossible to get 0 nitrate, especially in an unplanted cichlid tank. Most tap water runs at least 5-10. SO if you have somehow managed to create a setup and maintenance regimen that achieves this, please share..
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Like I said, I never claimed to have 0 nitrates. Just nitrates that barely registered.

I change 40% of my water monthly and gravel vac my substrate every week with the hose attached to a Vortex Diatom filter with microbag and DE powder. This allows me to effectively remove the solids from the tank on a weekly basis without having to remove and replace water at the same time. It also polishes the water very nicely. I do not use any carbon but I do use 1L of Purigen in my canister that I recharge when I change the floss
reptileguy2727 said:
I am not calling you an idiot or a liar. I am saying that I can't believe it. IME it is very common for people to not do that test properly, so IMO that is the most likely issue. If that is not it then I would love to understand what you have done and how.
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I know how to perform the test correctly as I have done it at least 10,000 times over the yrs in my home and in my work as I have worked in the industry off and on all my life.
 
Barely register is effectively 0.

Purigen, that is it the answer. Although it removes nitrogen waste it does not remove the other things that build up, but hopefully your water changes are doing that well enough.

If you are vacuuming every week anyways why not just do a water change instead of using the diatom filter?

To me, a company claiming their filter is the magical one that not only doesn't need monthly maintenance, but does better without it yet doesn't/can't give an explanation is just an unsupported claim. It is just like any other filter out there, flow and media. Nothing magical. Nothing that prevents debris from settling there or handling it in a unique way. No offense to you, but I don't but it. And I won't without a real explanation or even an idea of how this could make any sense at all.
 
I started using the Diatom filter do to the number of tanks and the volume of water I was going through. Even though I cut down the number of tanks I kept on using the Diatom filter as it saves me money on my water bill and I didn't want to screw with the results I was getting.

I use to rinse my Classics out monthly until the Eheim rep told me to let it go longer. I did as he instructed and the results were more than apparent by the water tests. I dont know how they do it, but I have seen it with my own eyes.

Believe it or not, I am sold as I have seen the results in my tanks.
 
What did you see? Better clarity? Lower nitrate? What water tests proved he was right?
 
reptileguy2727 said:
What did you see? Better clarity? Lower nitrate? What water tests proved he was right?
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I saw better overall water perameters and better water clarity. Nitrates were lower.
 
Does their biomedia claim to reduce nitrate by allowing denitrification? I know Seachem claims their Matrix can.
 
reptileguy2727 said:
Does their biomedia claim to reduce nitrate by allowing denitrification? I know Seachem claims their Matrix can.
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I am not sure, but I can look into it.
 
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