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#21
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As far as price is concerned I honestly don't think you could make the same products for less. I work in manufacturing and machine design, I know what CNC machining costs and what would be involved in making these products, honestly the price isn't that bad and the quality is better than anything else. The problem is that not everyone sees the need for the extra quality, for example their tolerance is 0.005mm!! That is absolutely ridiculous but it sure is cool. If I asked our machine shop to do that they would laugh at first and then come up with a quote so high we would never go through with it. I don't think the user base is very small, the Canadian distributor can't even keep these pumps in stock, they are usually sold before they arrive. It took about 5 months to get mine. The thing is you don't generally hear positive feedback, but you certainly hear negative. In addition when people pay more they expect more however the relationship isn't linear but rather exponential. For example Hyundai owners don't complain very much about their cars but BMW owners complain all the time. Price aside, BMW is a better car but yet you actually hear more complaints about BMW than you do about Hyundai. It's a funny thing but it's human nature. Nobody is going to take the time to post on such a forum saying "Hey my pump is working great, no issues what so ever". So skimmers aside, the RD return pump is a good pump and to me, well worth the money. It might not be for everyone but if you care more about noise and quality over price a RD pump may be for you ![]() Last edited by sphelps; 10-08-2009 at 09:37 PM. |
#22
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SPS Dedicated 24x24x20 Trimless Tank | 20 g Sump | Bubbble King Mini 160 Protein Skimmer w/ Avast Swabbie | NP Biopellets in TLF Phosban Reactor | ATI Sunpower 6 x 24W T5HO Fixture | EcoTech Vortech MP20 | Modified Tunze Nanostream 6025 | Eheim 1260 Return Pump | GHL Profilux Standalone Doser dosing B-Ionic | Steel Frame Epoxy Coated Stand with Maple Panels embedded with Neodymium Magnets "Mens sana in corpore sano" |
#23
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But again yes it's how you look at it, my main point was there are certainly advantages but that's not to say there aren't disadvantages as well. None of the advantages I listed related to efficiency and that's mostly because efficiency is closely tied to money. |
#24
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LOL!!!! My God, you hit that nail so far through the plank it came out the other side. *thumbs up
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This and that. |
#25
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![]() thank you all so much for your opinions and experiences. I am leaning towards a red dragon, but they are soooo pricey. If they really are as quiet as they are made out to be it will be worth it. I am very noise sensitive and what most people tune out as background "white noise" drives me crazy.
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180 gallon LPS dominated reef |
#26
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At least somebody understands what is required for a sump return. If you ask a reputable skimmer mfg they will tell you to use a sump pump of the same value as the skimmers capacity, ie if you purchase a skimmer for a 400 gallon system it performs at its best at 400 gph passing across it, any more and its performance will be depleted. The 10 times turnover rate isn't correct if the tank is skimmed properly. |
#27
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![]() .00019" two tenths of a thou on a skimmer?
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#28
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![]() Food for thought: I design and manufacture load cells and weighing systems yet I personally don't use any of them. If I was looking for advice on anything regarding it's installation and real life performance I'd ask the people using them. That's what's stated regarding the RD pumps, not sure about the skimmer. Keep in mind it likely referring to components relating to the bearings or shafts but it still demonstrates quality. Last edited by sphelps; 10-09-2009 at 02:21 PM. |
#29
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One more thing that sold me when I was considering was the fact that these pumps can be used internal! Not much else in comparable flow rate can do that. Running a pump internally usually results in a lower noise level. I ran mine external in the end and I'm glad I did but I always have the option to switch. |
#30
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![]() Sphelps what you said about people only posting when they have something to compalin about...very true but true for both Sequence and RD users so I'd think that's a moot point. What you said about bmw owners vs hyundai owners however IS very relevant and a great point.
I expected a lot when I bought my BK and I felt let down. I'm sure it's going to skim just great but the pump itself seemed loud to me. I'm the sort of person that disconnects the power to the tv in my bedroom at night because I can hear high pitched noises my wife can't. I'm fussy about noise. I also agree it makes noise but less than anything else. Having said all of this though I think I would have gotten a RD return pump if servicing these pumps and getting replacement parts wasn't so difficult and time-consuming. That's just part of owning these fancy foreign things which I understand. |
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