Today i order two 6000 Tunze stream electronic pumps with a multicontroller for my 125g SPS tank. I just want to be familiarized with this pumps. How easy are they to setup, can you control the current output, do you like how they works. Thanks Ralphy.
Tunze stream users.
- Thread starter Ralphyhp
- Start date
The cost issus I am not sure of, but the rest is pump design. You can get a lot of flow out of a "propeller" like in the stream for little Hp, but not have much pressure. On a power head you still get a fair amount of pressure from the "impeller". The design of the two is different and how the act on the water is also differnt. The power requirment is based on the same set of variables. Here is the equation if you want to see
HP=(H*V*SG)/(3960*Eff)
H is head in ft
v is flow in gpm
sg is specific gravity
3960 is a correction to make the units work
eff is the efficency of the pump
If you double the flow and half the head the the Hp stayes the same, etc, etc.
HP=(H*V*SG)/(3960*Eff)
H is head in ft
v is flow in gpm
sg is specific gravity
3960 is a correction to make the units work
eff is the efficency of the pump
If you double the flow and half the head the the Hp stayes the same, etc, etc.
I went with a pair of 6080 pumps for my 225. They move more water than 8 decent size powerheads I ran previous. I guess its the wide spread of the flow that I like most and perhaps how gentle it is.
Cost wise, it was the same as a Mak4 I was running on a closed loop, as long as one does not mind them in their tanks. And they consume so much less wattage.
As I downsized to a 75 cube, I dont need as much flow, but still running one full time and the other part time.
Cost wise, it was the same as a Mak4 I was running on a closed loop, as long as one does not mind them in their tanks. And they consume so much less wattage.
As I downsized to a 75 cube, I dont need as much flow, but still running one full time and the other part time.
Attachments
Yep, it is only demand. Because there are so many people wanted it that prices are high, just like any other products. I hope the price won't be that high when there is a new pump will be in the market. I have been waiting for this new pump to arrive. I have heard that this new pump will do the same job as a Tunze only half the price. When I look at a Tunze, part does not look that heavy duty, just plastic parts. It only came out a short time, so we don't know how long it will last.
Mattt.
Mattt.
I have found it pathetic from the begining that these things are so freaking expensive. I refuse to buy them on 3 principles alone: the are too overpriced, they are bulky looking, and their support hardware to hang them is less than mediocre.
You know, ou take a MJ1200 and replace its impeller for a propeller and put a little cheap cover over it and you have the same thing. How come none of the powerhead manufacturers haven't jump on this one? Imagine a maxijetpropeller 1200 for $30.
Now, stop the salivation..................
You know, ou take a MJ1200 and replace its impeller for a propeller and put a little cheap cover over it and you have the same thing. How come none of the powerhead manufacturers haven't jump on this one? Imagine a maxijetpropeller 1200 for $30.
Now, stop the salivation..................
Actually, it is more complicated that just replacing the impeller with a propeller. There are lots of R&D that Tunze did to get this product out, and part of the price is a reflection of it. Hopefully with more competitors and better production planning, they can drop the price down to, say, $50 a pop.
It is not as difficult as they may make it sound. Look at he reeftecs and these were a guy in his garage kind of deal. The only thing wrong with them were the propeller shafts getting rusted because the pump used was not intended for saltwater use. MJ 1200 does not have that issue since the entire magnet assembly that has the impeller is in plastic.
Then, there is a guy in MI, mustand in RC, that took a mag 2 or something like that and adapted a propeller and a little PVC part in front of it and the thing blows across his 450g tank. Still running today after over a year.
These are very simple things. Some of the manufacturers make it sound like this is rocket science so they can get $200 for a freaking powerhead.
You can't tell me it takes so much research to come up with a half decent support assembly either. That is just plain ridiculous. I have a guy in town that got so fed up of the tunze turbelles falling off that he epoxy them to the walls of his acrylic tank. They would still fall off, so drilled the euro brace of his tank and used nylon screws to support little L brackets that would be cemented to the case of the pump. Talk about work to get something to stay.
I personally like the flexibility of close loops, but that is another thread altogether.
Then, there is a guy in MI, mustand in RC, that took a mag 2 or something like that and adapted a propeller and a little PVC part in front of it and the thing blows across his 450g tank. Still running today after over a year.
These are very simple things. Some of the manufacturers make it sound like this is rocket science so they can get $200 for a freaking powerhead.
You can't tell me it takes so much research to come up with a half decent support assembly either. That is just plain ridiculous. I have a guy in town that got so fed up of the tunze turbelles falling off that he epoxy them to the walls of his acrylic tank. They would still fall off, so drilled the euro brace of his tank and used nylon screws to support little L brackets that would be cemented to the case of the pump. Talk about work to get something to stay.
I personally like the flexibility of close loops, but that is another thread altogether.
We need water movement. The streams do this very well. They are built as well as any of the equipment I use, especially overpriced pieces of acrylic, called calcium reactors or skimmers. :roll:
I,m not so much sticking up for the pricing, {I would like everything to be cheaper also}, so much as comparing it to all the other equipment that runs are tanks.
My Mak 4 closed loop, move not as much water as one of my 6080 streams. Unless an educator was added.
Cost Canadian,
Tunze 6080 stream pump= $249. Moves 2200gph @ 18watts.
Mak4 = $225. Moves 1100gph @ 100watts
Educator= $55
Closed loop piping, unions & valves = $50
Total=$330
Even several Hagen powerheads of a large enough size and a Tsunami wavemaker, cost more than one Tunze, move less water, consume more power and are made the same.
I,m not so much sticking up for the pricing, {I would like everything to be cheaper also}, so much as comparing it to all the other equipment that runs are tanks.
My Mak 4 closed loop, move not as much water as one of my 6080 streams. Unless an educator was added.
Cost Canadian,
Tunze 6080 stream pump= $249. Moves 2200gph @ 18watts.
Mak4 = $225. Moves 1100gph @ 100watts
Educator= $55
Closed loop piping, unions & valves = $50
Total=$330
Even several Hagen powerheads of a large enough size and a Tsunami wavemaker, cost more than one Tunze, move less water, consume more power and are made the same.
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