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Old school filter


Paul
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Back in the Stone Age when I started in the hobby the filter of choice was the DynaFlo. The inflow (which just hung in the tank)worked by siphon. Whenever the larger fish got a little frisky they’d move the intake enough to break the siphon and with that no filtration. Ah the good old days.

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Edited by Paul
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And it was a real bear to get the siphon going in the first place. You had to hold the siphon tube underwater to get the air out. Then put your thumb over one end and get it into the filter box without an air bubble sneaking in. Oi Vey!

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I just got a dynaflo 150 with a 15 gallon tank I bought recently.  Pure 80s nostalgia right there. 

20201024_082247.jpg.b27e6e2cf0a033d6fdbfbbaf71e49425.jpg

I was thinking of setting it up with some lava rocks. However, after a test.run I found it to be a bit to loud. The inlet tube is getting a bit dry rotted too. It does work though, and only need to dump a couple cups of water into it to get it primed and running. I am a big fan of the 3 r's though, so I may look into reusing it somehow. 

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14 hours ago, Daniel said:

And it was a real bear to get the siphon going in the first place. You had to hold the siphon tube underwater to get the air out. Then put your thumb over one end and get it into the filter box without an air bubble sneaking in. Oi Vey!

I remember mine came with a cap on a stick so you wouldn’t have use your thumb. The only problem with it was the cap was a tight fit so it was a little bit of struggle to get it off and of course air would get in and you had to start over again. The thumb method was a lot easier.

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On 10/24/2020 at 8:33 AM, McNubbin said:

I just got a dynaflo 150 with a 15 gallon tank I bought recently.  Pure 80s nostalgia right there. 

20201024_082247.jpg.b27e6e2cf0a033d6fdbfbbaf71e49425.jpg

I was thinking of setting it up with some lava rocks. However, after a test.run I found it to be a bit to loud. The inlet tube is getting a bit dry rotted too. It does work though, and only need to dump a couple cups of water into it to get it primed and running. I am a big fan of the 3 r's though, so I may look into reusing it somehow. 

That’s down right high tech compared to the one I used.

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I had one of those back in the early 70’s. High dollar equipment for a struggling college student. I bought it second hand from a guy that worked at one LFS. I ran it up into the 80’s when it was replaced with a Penguin Bio-wheel. 

On 10/24/2020 at 8:58 PM, Paul said:

I remember mine came with a cap on a stick so you wouldn’t have use your thumb. The only problem with it was the cap was a tight fit so it was a little bit of struggle to get it off and of course air would get in and you had to start over again. The thumb method was a lot easie rof the local aquarium stores. A real quantum leap from the under gravel or floss filled box filters of the day. I used it up into the 80’s when a Penguin Bio-wheel replaced it. 

I remember that it was tricky to get started. I had the stick gadget but like Paul said, it was a bigger PIA to use so I just wet-handed it. It originally had two intake tubes but one was broken along the way. It worked fine with just the one. 
The filter had an interesting drive system that I’m surprised isn’t still used. The motor clipped on the bottom of the filter tank. The motor had a magnet wheel that spun ant turned the impeller which was encased up in the bottom of the filter so there was no chance of a leak. The impeller was sensitive about being clean...once it got gunked up, everything stopped...usually in the middle of the night or when you were away for the weekend.  

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