Sicce Syncra 3.0 Aquarium Pump, 714gph

I'm a little hesitant to write this review as it's not a positive one and it seems that most people are quite happy with the product so maybe I got a defective one? I have no idea but I speak the truth on what's happening. This thing is not silent at all. I guess I fell prey to "silent" being in the name and chose it but if this is silent I would hate to hear a loud one. The pump is fully submerged. Water going in and out I guess is silent but the vibration created by the pump is HUGE. It vibrates the entire plumbing outake running through the aquarium which then vibrates the wood stand. This all creates a very loud HUMMMMM, (jokingly in the key of D for any musicians out there). Jokes aside though, it's very loud sitting next to my tv and stereo. I can muffle the vibration a little by holding the plumbing I did in a variety of ways and plan on securing the plumbing with insulation and straps to hold everything tight against the wood stand. This only minimizes the hum by the way. It doesn't eliminate it. If this method doesn't work I'd like to know how I'm going to figure it out or else I will have no choice but buy another pump. Over $100 is a LOT to throw away but this is by far the loudest thing running in the aquarium set up and it's ALL vibration. Somehow minimize the vibration it creates and it would be a nice pump but sheesh, should I have to DIY the thing like crazy to make it useable?

Let me start by saying that I invested heavily in my system to make sure that it was silent. I have spent 7-months "building it" with nearly custom everything. It is a 65G custom rimless Starphire setup with a Herbie overflow to a custom 20G rimless sump. The sump is sitting on 3/8" neoprene and the pump is sitting on a pump vibration pad from Bulk Reef Supply. The return and drain plumbing is all braided vinyl hose. So there is nothing connected which is fixed from the tank and stand to the sump. Everything is flexible, which should transfer no vibration and noise.

For the past week, I have been testing my system out with pure RO/DI water. There is absolutely nothing in the tank to clog or get in the impeller of the pump. And everything else is brand new. Several days ago, the pump has started to make a rather annoying vibrating, rattling sound. The sound gets louder as I increase the intake volume using the adjustable volute. Keep in mind I have only had this pump running for a week in pure RO/DI water and nothing else.

I thought the other reviewers were having problems because of user error or that their systems may have not been designed with silence in mind. However, now I agree with the other reviewers wholeheartedly. This pump is noisy and the sound keeps us up at night. This is with the tank in a completely different room. I am in the process of trying to find another pump. This was just going to be a temporary pump until the new Waveline pumps are available and then be a backup pump in case I ever needed it. However, I am returning this because I don't even want to keep it as a backup pump.

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I've had it in my 50g reef tank a year with no issues. I havent even cleaned it. It did vibrate when it was touching the side glass, but I moved it and its basically silent now. People comment on how quiet my tank is. Its never failed to start or done anything funny. I've owned a few of these pumps on various things from skimmers to nano tanks and they're great.

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Functions as intended. Quiet, I mean super quiet. Suction cup feet are practically worthless, I had to balance the pump on them in the wet/dry, they do not install securely to the pump. That's the only reason I did not give it 5 stars.

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The pump is quiet, very well made, small for its output, came with 2x adapters to fit 0.75 and 1" hose, and makes very little heat my tank temperature dropped the day after I replaced my Mag drive 9.5.

The plastic casing is high quality, not brittle and easily discolored like other brands. The tool-less maintenance is a huge plus, as is the fused magnet-ceramic shaft impeller, which won't

slow the pump down as it cannot lock up with calcium precipitate. The ends of the ceramic shaft are seated in ceramic bushings, which also resist precipitation.

I will update this review when I perform my first maintenance/cleaning.

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