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stro1971 stro1971
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  • Posted on: 29/1/2008 15:14
Internal Juwel Filters - Any Good or Add Another / Rip out #1
Hi All

My new Juwel Trigon 190 tank is busy cycling (fishless - 12 days in) and I've read a few threads here and there that says their standard filtration system is rubbish. My tank is stocked with gravel and all plastic / silk plants. I'll be stocking with a variety of community fish - some I already have (in another but smaller tank!).

What are people's views on these filters ? Are they actually any good ? Should I upgrade with an external replacement (if so, what makes , models)?, or add another filter (if so, which makes, models)?

I know it might cost more, but I bought the tank for its look and build quality. Don't really want to spoil what I have, but if it would benefit the fish in terms of better water quality and more swim space, then fine, whether I rip out and replace, or just add an extra unit.

Help appreciated.
TetraLinz TetraLinz
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  • Posted on: 29/1/2008 15:17
Re: Internal Juwel Filters - Any Good or Add Another / Rip out #2
They're all right if you understock and heavily plant with live plants, but Fluvals and Eheims are so much better! Replace the black and green sponges with more blue sponges for better biofiltration filtration.
T.L
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Goldnugget Goldnugget
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  • Posted on: 29/1/2008 15:59
Re: Internal Juwel Filters - Any Good or Add Another / Rip out #3
Thats the tank I have, you would get so much more space, but then I've never had any probs with the filter not coping, but I do understock (hate to see chaotic overstocked tanks) and use live plants so if I were you I'd be tempted to rip that filter out and get a decent external.
Anonymous  
Re: Internal Juwel Filters - Any Good or Add Another / Rip out #4
I've got the Juwel Rio 180 and decided to leave the Juwel filter in. Don't use the carbon - this was replaced by an extra blue sponge cut in half) but I do use the green anti nitrate sponge. This just needs chnaging every 6 weeks and this has quite clearly helped lower Nitrates so I'm sticking with using it.

I've added a fluval though with the venturi effect (lots of bubbles over the surface) as the Juwel didn't agitate the water that much.
Jenkz Jenkz
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  • Posted on: 29/1/2008 18:01
Re: Internal Juwel Filters - Any Good or Add Another / Rip out #5
I run a juwel internal in my main community tank, alongside a very very small internal for my Q tank.

I have a heavily planted low stocked tank, as advised, and everything seems ok so far (touch wood). My only problems to date have been rookie problems - nothing juwel internal filter related.

I did remove the nitrate sponge during my cycle, I also only run carbon the carbon sponge to remove meds.

Only thing so far is the power-head output seems to have lowered, may replace it for one model above what came with my tank shortly.
-Tim
Goldnugget Goldnugget
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Re: Internal Juwel Filters - Any Good or Add Another / Rip out #6
If the powerhead power has lowered check the wool pad on top of the filter, when it gets gunked up the rate of flow throught the filter slows. A regular wash in tank water for all the filter sponges helps too. Tend to use the powerhead as a good indicator of when the wool pad needs a change.
nandn nandn
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  • Posted on: 31/1/2008 19:28
Re: Internal Juwel Filters - Any Good or Add Another / Rip out #7
Just about to rip out the Jewel filter from our Rio 240. We decided to change filter both for aesthetic reasons and because we read and believe that the filter couldn't manage a fully stocked tank.
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Andrew-amano Andrew-amano
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  • Posted on: 3/2/2008 13:24
Re: Internal Juwel Filters - Any Good or Add Another / Rip out #8
They are totally and utterly bloody useless- its a con a way to get you to buy the bloody useless bits of sponge. Sponge cannot provide biological filtration- its mechanical- hold it up to the light and see how much space it wastes then tell me how when 100 litres of water an hour is running through it where the bacteria is meant to culture. Rip it out buy and eheim classic 2213 turn it down to half power, fill it with pourous stone/ siporax and let it settle for a month, it will be noisy to begin with but it will settle down.
Juwel tanks are only good because they are well fitted to their frames, are quite well made and are cheaper by far when compared to other makes such as rena.

While your at it ditch the useless tubes it came with.

I have a rio 180 the only original piece left is the glass.

A.
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TheDragonLord TheDragonLord
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  • Posted on: 3/2/2008 17:20
Re: Internal Juwel Filters - Any Good or Add Another / Rip out #9
sorry but i have to dissagree with you completely there andrew, bacteria will colonise almost all surfaces, and to say sponges dont hold any bacteria is complete and utter crap, are you saying that for the last few years none of my tanks have been biologically active? they've all ran with sponges, 2 of them (the longest 2 and most over stocked tanks i've ever owned) have run with the juwel filter, i've never had ammonia or nitrite problems and the rekord 120 had 4" of fish per gallon, so that was over stocked by anyones standards, still never had a problem with it and it coped wonderfully, it did have a tiny PF1 internal power filter in with it, but that was for more water movement to increase the O2 content through excess surface aggitation and stabilise CO2 concentrations to ensure the plants weren't using all that was in the water up (i dont inject CO2, pointless under juwels old lighting system)

that tank also coped fine with 8 3" (not including tail) common goldfish and 5 hillstream loach without any ammonia, nitrite problems, they were definately not underfed either

so as you can see, they aren't as bad as many people will say, maybe they didn't give the filter a chance or enough of a chance to prove it's self, or even bothered to adapt their maintenance/thoughts to make the most of the filter?


i never use carbon, instead, as above, i use a blue sponge, but just wedge it in rather than cut it in half, i also replaced the nitrate sponge with a blue one as water changes with my tap water (almost no nitrate in the tap water here) does a good enough job i also got a bigger pump (most of their pumps are interchangeable) in there and tilted the filter outlet towards the waters surface for more aeriation
There are no experts, mearly beginners who know more than others.

Support your LFS, online sites won't stay open 5 mins extra for you
Andrew-amano Andrew-amano
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  • Posted on: 3/2/2008 19:53
Re: Internal Juwel Filters - Any Good or Add Another / Rip out #10
ok maybe we should draw a line here between tanks that have fish in them and planted aquaria. If i had a tank with a few amazon swords in it, tap water and your average pet store fish collection then i suspect you could get away with sponges- and i am sure you will have some bacteria growing on the tiny filaments within the sponge, but its miniscule, look at siporax its impossible for bacteria cultures to be washed through it- far easier to culture and maintain your filter with this stuff.

If your running powerful lights and high levels of fertilisation then you are going to need more than sponges in your filter.

A question was raised as to the general opinion of the juwel filters, i think they are awful and a total con, you think different. We are all entitled to our opinions.

A.