Tunze for 70 gal tank

craby

New member
I'm setting up a 70 gal tank and am thinking of running Tunze units for flow. The tank is 3'Wide x 2'Tall x 1.5'Deep. With a tank that small, what type and model # would work well. Would (2) units work, one in each back corner w/ a controller to switch amount of flow to each unit? I don't know if the smallest unit available would cause a sand storm in my tank, even w/ 1 unit. Any and all advise is appreciated as I am not very familiar w/ Tunze.
 
What do you plan to keep? What type of sand bed do you have- sugar sand, fine aragonite and how deep?
 
I looked on the Tunze website & found the 7300/2 electronic PH. It's more expensive than the turbelle series but looks like it has the normal PH outlet nozzle, whereas the Turbelle looks like an under water fan that diffuses the flow to a large area. Does the 7300/2 diffuse water like the Turbelle?
Also, w/ a single 7300/2 would it be best to put it in the middle of a side panel to cover the full 3' of tank, or put it in the middle?
If I put it in the middle it would be real sweet if there were a way to make it swivel 90 deg. like a sea swirl.
 
I am planning to keep SPS at the top and softies on the bottom. I have 3" of sugar sand in a 30 breeder and 3" of crushed coral/aragonite sand in another 30 breeder. I plan to break these tanks down and use a combination of the 2 sands w/ fine sand on bottom topped off w/ course sand for my pistol shrimps.
 
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