SICCE Syncra Silent 0.5 Multifunction 185 GPH Submersible Water Pump | Italian Made 8W Ultra Quiet Durable for Aquarium Fish Tank, Fountain, Pond, Hydroponics, Terrarium Black | Freshwater & Saltwater

​I absolutely love this water pump! I use it to run a waterfall system for my frogs, and it has been absolutely perfect. It is very quiet, which is exactly what you want for an indoor habitat. It’s also adjustable, so you can dial in the speed you want the water coming out to get the perfect flow for your waterfall. It was super easy to figure out. ​It has worked flawlessly with zero problems so far. If you are looking for a reliable, quiet, and adjustable pump for a terrarium, vivarium, or fish tank, I highly recommend this one!

it does it job well and its pretty quiet. One thing that did annoy me is the box/product came in a bad shape and for a second I thought it was broken and was about to return it. However this thing seem likes its built like a tank and works like new. So anyone out there be careful since the shipping/handling can be horrible and reading some comments it happens here and there so just be careful.

Sicce pumps never fail to guarantee performance and reliability. I have 2 of these and both are working great while being silent for 1 year now.

I picked up the Syncra Silent 0.5 to replace an aging return pump in my freshwater tank, and for the most part, it’s been a solid upgrade. The “silent” branding holds up—when new, it’s very quiet and unobtrusive. The 185 GPH rate seems adequate for small setups, fountains, or other utility tasks. What works well: • The magnet/impeller design is smooth, giving it quieter operation than many pumps in its price range. • It’s compact and easy to hide in a sump or behind decor. • Works across various applications (freshwater/salt, fountains, etc.) as marketed. Things I’ve noticed / potential drawbacks: • Over time, some users report the pump becoming louder, possibly due to wear on the shaft/impeller.  • In darker or tight installations, a slight ticking or vibration noise can emerge. One user noted a “slight ticking noise” after install. • Its head (vertical lift) is relatively low compared to larger pumps—so it may struggle with higher elevation returns. Some performance tests show the 0.5 model’s output is below ideal under head pressure. Summary: If you’re running a small-to-medium system or need a quiet, general-purpose pump (for fountains, small aquariums, or auxiliary setups), this Syncra 0.5 is a strong choice. Just don’t expect flawless long-term silence under heavy load or after months of use—maintenance (cleaning, inspecting the impeller shaft) will be important to prolong its performance.

I’ve spent a long time searching for a reliable replacement pump for the Fluval EVO 13.5, Flex 15, and Spec 16. The stock pump’s constant rattling, humming, and vibration—caused by low‑quality impellers, poor shaft alignment, cheap magnets, and narrow intake channels that clog far too easily—made the tank a stressful environment for my fish. After trying multiple alternatives, I finally found one that actually delivers. The SICCE Syncra Silent 0.5 pump is a quiet, true drop‑in replacement that fits the Flex 15 without any modifications. I made two small upgrades to get the best results. I added an aquarium sponge pad at the bottom of the pump chamber to dampen vibration. I replaced the rigid plastic tubing with food‑grade silicone tubing (1/2" ID × 5/8" OD) for a smoother, quieter connection. The difference is dramatic. Noise levels dropped from 45 dB to 37 dB in my setup, transforming the tank from an irritating hum box into a peaceful display again.

Sent it back. Cheaper options that are just as quiet.

At first I saw the pump and I said this pump is way too little it's not going to work but after I plugged it up and submerged it into the pool that sucker was really pumping water it is really nice and works real hard

I bought the pump and it worked great after a couple of use. This pump is not a silent pump as the name suggested. It can be quite loud. The propeller gets attached from the magnet after a couple of use. Contact customer service and was told to register so that they WOULD cover the propeller for 6 MONTHS. What the heck,??? this is the part that is most easily get defected of the pump and it is ONLY cover for 6 months. I guess you will have to read every fine print from their 5 years warranty claim. I registered and they asked for a bunch of information including sending the label from the pump back to them for reference. 3 weeks gone by, hear nothing from Sicce USA. So much for the so-claimed "excellent customer service" from Sicce. Thank goodness for Amazon's return policy. RETURNED. Do not recommend buying a Sicce pump. It may be a great pump when it is working but when it is NOT. They will make you jump through hoops and won't honor their warranty and in the end, will not honor their guarantee.... Save your money and buy a cheaper brand that may have better customer service and an honorable warranty policy. This is an update. I got an email notification that they are sending the propeller replacement 3 weeks after the claim but I return the pump already.

Buen producto, buscaba un equipo silencioso y cumplió las expectativas, silenciosa, con la operación correcta y funcionando bien instalada en mi acuario.

I put the pump in my tank it was running for 5 minutes and it got so hot it burned my hand and when I checked on it later it burned out, now 1 hour after it was delivered it’s already broken and not working anymore it doesn’t even turn on

The division not working

La bomba que recibi no funcionaba, realice la devolución sin problemas