Do I need any other piece of equipment to run this, like a wavemaker, etc, or can I just plug it in and go?

This does NOT make waves by itself! You HAVE to buy the Hydor Wave Controler (and really need at least 2 pumps on either side of your tank), to create a wave effect. I just bought a 425 and it has ok flow across a 20 long tank ( but no waves). You can attach it to a regular timer if you just want to run it at certain times. That was no good for me so I ordered another higher rated pump AND the wave controller. I'll see how that works when I get it. I wanted a "shimmer" effect from my moonlights. To get this I needed to put it at the top of the tank to push the surface enough. Now I have a slight shimmer.

I have a 25-30 gallon tank, which option is best?

I have a darter tank that has about 25 gallons of water in it. I just replaced a 500 GPH water pump with the 850 GPH circulation pump. The water pump really blasted quite a jet of water across my tank. The Hydor is much gentler, with a broader spread, but still seems to make for a nice stream simulation. While the 500 GPH was about the maximum my tank could handle, the 850 GPH circulation pump is just adequate for a stream simulation. My main reason for switching was the circulation pump only uses about 5 watts of electricity, while a 500 GPH water pump uses about 35. I'm hoping to see my water temperature drop. If you are simulating a swamp, however, I would not recommend this product at all.

What voltage does it run on: 110v or 240v? Thanks

110v in my house here in the US!

What size and how many of these power heads should I get for 90 gallon reef

I had two 1400 on my 90 and it's too much, stirs the sand up.

Koralia Evolution Circulation And Wave Pump 750 850 Gph

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Description

🌊 Elevate your aquarium’s vibe with the Koralia Evolution—where power meets precision!

COMPACT YET MIGHTY - Smaller footprint than previous models but packs a punch—ideal for tanks 50-100 gallons with delicate aquatic life like urchins and puffers.
VIBRATION FREE STABILITY - Innovative magnet and suction cup combo absorbs vibrations, ensuring whisper-quiet operation and secure mounting on up to 1/2" thick glass or acrylic.
POWERFUL EFFICIENT FLOW - Delivers up to 850 gallons per hour with 50% less energy use—eco-smart circulation for your reef or freshwater tank.
CUSTOMIZABLE WATER DIRECTION - Sphere joint allows 360° flow adjustment, giving you precise control over water movement to mimic natural currents.
DURABILITY MEETS CONVENIENCE - Includes cable protector and shaft-less impeller technology for easy maintenance and long-lasting performance.

The Hydor Koralia Evolution 850 GPH circulation pump combines cutting-edge shaft-less impeller technology with a vibration-absorbing magnet and suction cup system, delivering powerful, energy-efficient water flow ideal for 50-100 gallon freshwater or marine tanks. Its compact design, adjustable sphere joint, and durable build make it perfect for sensitive aquatic environments, ensuring optimal circulation with minimal noise and hassle.

Specifications

ASIN	B0036RXO3O
Best Sellers Rank	#181,625 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #86 in Pool Pumps
Brand Name	Hydor
Color	Black
Customer Reviews	4.4 4.4 out of 5 stars (707)
Flow Rate	3217 Liters Per Hour
Horsepower	5 Watts
Included Components	All Products in Description
Item Dimensions L x W x H	15.2L x 7.6W x 7.6H centimeters
Item Type Name	HYDOR KORALIA EVOLUTION 850
Item Weight	544 g
Manufacturer	Hydor USA, Inc.
Manufacturer Part Number	P29301
Material Type	cotton
Model Number	P29301
Power Source	Ac/dc
Product Style	750-850 GPH
Specific Uses For Product	Indoor
UPC	798549192026 841421007175
Unit Count	1 Count
Voltage	115 Volts

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14056 som

Duties & taxes included

In stock

Sold byAmazon KyrgyzstanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Kyrgyzstan.

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TrustScore 4.5 | 7,300+ reviews

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Koralia Evolution Circulation & Wave Pump, 750-850 GPH

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