Labled as FX 6 KIller

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As a side note, besides the 704a's I have been running these small Sunsun 603a mini-canister filters on 3 systems (mostly as pre-filters for inline UV sterilizers) even longer, about 2.5 years now.

They come with and without pumps. Despite continually running at 2-3 times their stated max flow rate (450l/hr) I've had zero problems with leaking or anything else. I just wish they would make a similar but larger model with fully 3/4" connectors. Anyway no problem with quality and these Sunsuns, they're just about bullet proof.

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I'm just wondering how many people bagging on Sunsun filters in this thread have actually owned a newer model in the last couple of years?

If your opinion is based on personal bad experience with the brand fair enough, but I'd still be curious to know exactly which Sunsun model canister filter(s) you had issues with.

My definition of quality is pretty much the same as anyone else's I assure you -- it's simply my opinion (and of many, many other people around the world) that Sunsun gives way more value for the investment. Let it also be said that despite the experience of some on this thread, hundreds of thousands of people have had Sunsuns filters and had no problems.

If you want to get a FX or Eheim, more power to you and your wallet -- I and many others are likewise happy to get a Sunsun and take the substantial amount of left over money and buy other accessories, nice fish, pay bills etc. Of course we're all free to express our opinions & relate our experiences, but imho there's no reason to outright condemn or vilify either product line/approach.

And from what I understand the HW-5000 is selling like hotcakes, Fluval is going to have up their game as well and/or substantially lower their prices or they will continue losing market share to Sunsun and other SEA brands that are slowly but surely catching up quality-wise.

haha relax...... if they had or heard bad experiences with a certain brand.... there is no reason to try them again if they can afford better or more expensive brands

is just like how a lot of people still prefer toyota and honda even though hyundai and kia has improved dramatically and is considerably cheaper... at least in my country

at least any condemnation or vilification is based on user experience, past or present, rather than hearsay..... don't see anything wrong....

don't take it personally....
 
haha relax...... if they had or heard bad experiences with a certain brand.... there is no reason to try them again if they can afford better or more expensive brands

is just like how a lot of people still prefer toyota and honda even though hyundai and kia has improved dramatically and is considerably cheaper... at least in my country

at least any condemnation or vilification is based on user experience, past or present, rather than hearsay..... don't see anything wrong....

don't take it personally....

Lol not taking it personally, I have no stake in Sunsun (and not sure of how horror stories or jokes of flooding with older Sunsuns (and no further reference) are any more relaxed than my statements ;) I'm just providing an alternative opinion (based on my personal experience too, not hearsay) that relates to OP's question, don't see anything wrong with that, nor do I see anything wrong with others doing same, it's why we are here :)

But while it's great to bring up our experiences let's at least try to make them relevant/fair as possible. So for all of our learning I was just trying to clarify if other people's bad experiences with Sunsun are in regard to older (admittedly much crappier models), or the newer, better ones (like the one OP is inquiring about, not Sunsuns from 4 or 6 years ago....) Frankly I'm not sure how that could be construed as taking anything personally.

And yes, some peeps have trouble with newer Sunsuns too (though much less than in the past), just like some peeps have trouble with newer FX's (though less than in the past), there is no brand that is 100% reliable.

Also the fact is we all just have bad luck from time to time -- I spent a reasonable sum on a quality Eheim UV sterilizer last year: it conked out after just 4 months -- doesn't mean I'll never buy another Eheim product or bag on the company as a whole, just saying (in I assure you a very relaxed manner).
 
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I define quality as reliability, but that’s already been said by a couple of other members. I’ve had 3 Sunsun leaked. I’m not trying to bag China made products because I’m a huge fan of Jebaos pumps. Shoot my iPhone is made in China as well and once upon time my family is somewhat made in China. Sunsun is just a garbage filter imo I just tried to avoid that statement

Same here. 2 flooded my basement with split body seams in under 5 yrs.
 
Lol not taking it personally, I have no stake in Sunsun (and not sure of how horror stories or jokes of flooding with older Sunsuns (and no further reference) are any more relaxed than my statements ;) I'm just providing an alternative opinion (based on my personal experience too, not hearsay) that relates to OP's question, don't see anything wrong with that, nor do I see anything wrong with others doing same, it's why we are here :)

But while it's great to bring up our experiences let's at least try to make them relevant/fair as possible. So for all of our learning I was just trying to clarify if other people's bad experiences with Sunsun are in regard to older (admittedly much crappier models), or the newer, better ones (like the one OP is inquiring about, not Sunsuns from 4 or 6 years ago....) Frankly I'm not sure how that could be construed as taking anything personally.

And yes, some peeps have trouble with newer Sunsuns too (though much less than in the past), just like some peeps have trouble with newer FX's (though less than in the past), there is no brand that is 100% reliable.

Also the fact is we all just have bad luck from time to time -- I spent a reasonable sum on a quality Eheim UV sterilizer last year: it conked out after just 4 months -- doesn't mean I'll never buy another Eheim product or bag on the company as a whole, just saying (in I assure you a very relaxed manner).
Sorry guys I meant to say Ive actually worked for a Sunsun and Jebo distributor that’s located in America, and I’ve sold and used quiet a few of them back in 2011-2013 which model I don’t care to remember. I’ve had countless people bring them back due to priming issues and O-ring issues. I forgot this is a forum where I had to detail every event that happened that just so i can make a comment based on personal experience.
 
Sorry guys I meant to say Ive actually worked for a Sunsun and Jebo distributor that’s located in America, and I’ve sold and used quiet a few of them back in 2011-2013 which model I don’t care to remember. I’ve had countless people bring them back due to priming issues and O-ring issues. I forgot this is a forum where I had to detail every event that happened that just so i can make a comment based on personal experience.

Define o ring failure? Did they seat it wrong or what lol.....can't even help people avoid your past pit falls anymore.
 
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Sorry guys I meant to say Ive actually worked for a Sunsun and Jebo distributor that’s located in America, and I’ve sold and used quiet a few of them back in 2011-2013 which model I don’t care to remember. I’ve had countless people bring them back due to priming issues and O-ring issues. I forgot this is a forum where I had to detail every event that happened that just so i can make a comment based on personal experience.

Of course nobody is asking you to provide details of every event -- somebody just asked a simple but quite relevant question related to your post/opinion -- not sure why people have to be annoyed by this or act like they're being attacked. I was just trying to clarify if the pitfalls you faced are also faced by keepers with more up to date Sunsuns' -- which again is exactly what this thread is about.

But thanks you've just given the answer, so it seems your experience is based on models from 6-8 years ago which is pretty much the point I was trying to make, but for some reason it's just getting hard and harder around here to express different opinions without people getting offended. Others can jump on the hate Sunsun bandwagon all they want, doesn't mean we all have to.

But getting back to OP's query -- with newer models there don't seem to be the same O-ring issues, esp. if properly maintained, and also imo most priming issues with newer models normally come down to operator error/lack of knowledge. And as per info the unit has self-priming so this really shouldn't be an issue.

I sincerely apologize if stating my opinions/alternative views have offended anyone, I'll guess I'll have to tip-toe through the tulips more carefully here on out.
 
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Not withstanding other issues. I found 7 cases of leaking sunsun 7 series in 12 mins from 2 sellers. Date of purchase and what item purchased are all time stamp

I have benefit of understanding chinese and buying directly from china.... the chinese are never shy to leave reviews...

Sometimes you don't need to use to know... that's the power of internet

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Of course nobody is asking you to provide details of every event -- somebody just asked a simple but quite relevant question related to your post/opinion -- not sure why people have to be annoyed by this or act like they're being attacked. I was just trying to clarify if the pitfalls you faced are also faced by keepers with more up to date Sunsuns' -- which again is exactly what this thread is about.

But thanks you've just given the answer, so it seems your experience is based on models from 6-8 years ago which is pretty much the point I was trying to make, but for some reason it's just getting hard and harder around here to express different opinions without people getting offended. Others can jump on the hate Sunsun bandwagon all they want, doesn't mean we all have to.

But getting back to OP's query -- with newer models there don't seem to be the same O-ring issues, esp. if properly maintained, and also imo most priming issues with newer models normally come down to operator error/lack of knowledge. And as per info the unit has self-priming so this really shouldn't be an issue.

I sincerely apologize if stating my opinions/alternative views have offended anyone, I'll guess I'll have to tip-toe through the tulips more carefully here on out.

Do we really need to go into a rant?

I have 2 under 2 yrs old I inherited with a purchase. 1 leaks and the other has half the gph it should (it was niw) I couldn't even use them on quarantine tanks. My past 2 flooded my basement at the 3-4 yr mark. Maybe I have bad luck idk. If these leaks hadnt of been in my basement it would of damaged my flooring which would of been 1k+ to fix. I've tried the cheap odysea fx knockoffs which ended in a valve leaking which I then replaced with quality valves only to have the lid crack.

If you can get 5+yrs out of it bravo but this hasn't been my experience with cheap knockoffs.
 
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