Recreating the same conditions in the aquarium that are found in the sea is the number one rule for successfully breeding fish and invertebrates.

Finally, we can affirm that currently there are the conditions to be successful and that the reef aquarium is no longer a hobby for a few, but a hobby in which everyone can successfully succeed easily (perhaps even more just than the aquarium of ‘freshwater).

Thanks to the HQI lights at 10,000 and 20,000 ° K and the blue actinic lights, we are able to have a light similar to that of the sun and to simulate a sunrise/sunset effect.

With electronic variable speed pumps, we imitate currents and tides. With live rocks, we recreate an almost free environment and ecosystem. Here we will be listing the top 11 best aquarium surface skimmers.

Marine Color Sunsun Aquarium Surface Protein Skimmer 5W JY03 Aquarium Oil Film...
  • Effective surface skimming.
  • Adjustable flow rate.
  • Easy cleaning.
  • Adjust the water level within 4cm automatically.
  • Small and compact in size.
AquaTop ATP Skmr Surface Intrnl 65Gph
  • This surface skimmer is easy to install and its compact size and suction cup mounts make for flexible placement anywhere along the...
  • Along with the SSK-65’s surface skimming ability, The unit also includes a small Sponge block for mechanical filtration and a...
  • Flow rate: 65 GPH
  • Power: 2. 5 watts
  • Tank capacity: up to 100 gallons
Yagote Aquarium Surface Skimmer with Flexible Tube Protein Oil Skimmer Set for...
  • PRACTICAL AND EFFECTIVE: The surface skimmer can upgrade your filter system immediately. It can overflow the skims, organics and...
  • STRONG SUCKERS. It is easy to install the surface skimmer firmly to the tank wall with 2 powerful suction cups.
  • VERSATILE FOR FILTER. The surface skimmer can be used for all filters up to 1,500 l/h. It is suitable for freshwater and salt...
  • FLEXIBLE AND ADJUSTABLE. The hose of this surface skimmer is flexible and it has adjustable flow control valve.
  • 100% Satisfaction. We used premium materials to make this surface skimmer set.If there is any problem, please feel free to contact...
SaleRANK NO. 4
EHEIM Skim 350 Aquarium Filter
  • Light and compact surface skimmer with pump action
  • Increase in the oxygen content in the aquarium
  • Ready to use out of the box, no additional pieces or kits necessary
  • Suitable for fresh water
  • Suitable for marine tanks
AQUANEAT Aquarium Surface Skimmer, Protein Skimmer, Internal Filter for...
  • Surface skimmer built-up to improve water quality, remove dust, oils and food fats from the water surface
  • Includes a small sponge block for mechanical filtration and an efficient submersible pump with adjustable flow
  • Suction cups mounting allow you to fix the surface skimmer to the specific place as you wish
  • Suitable for both fresh water and salt water
  • Flow rate: 80GPH;Dimension: 1.75”x1.25”x5.25” (L x W x H)
Ultum Nature Systems Delta Mini Aquarium Surface Skimmer
  • Recommended for: 8-48 gallon aquariums
  • Suitable for freshwater, planted and marine/reef aquarium tanks
  • Flow Rate: 66G/H Voltage: 60Hz Power Consumption: 3.5W
  • Easy installation and maintenance
  • Adjustable to accommodate changes in water level
Odyssea Clean 100 Surface Skimmer Aquarium Filter 450L Plant Internal
  • Flow rate: 110 GPH
  • Energy efficient 5W pump
  • Skims surface build-up to improve water quality
  • Great for freshwater planted aquariums
  • Works with both freshwater and marine
Fluval Surface Aquarium Skimmer for Series 05 06 and 07 Canister Filters
  • Works to eliminate undesired surface films
  • Helps improve oxygen exchange
  • Removes organic waste from the surface
  • Helps keep your aquarium water clean and clear
  • Simple to use
Azoo AZ13123 Nano Surface Aquarium Skimmer
  • Flow Rate: 2.6~66 gallon
  • The inlet float has an enclosed design, so it will automatically adapts to water level
  • Clear Body for easy to monitor
LAQUAL Aquarium Filter with Surface Skimmer, 5 Gallon...
  • 【Efficient Filtration & Surface Skimmer, Clean Home for Your Fish】With the scientific structure, the pump is very powerful and...
  • 【Shock-Absorbing Fixed Knob, Quiet & Happy Life 】Our filter comes with a shock-absorbing fixed knob to keep the pipe vertical...
  • 【Waterfall Design, Adjustable Flow & Increase Oxygen】Different kinds of fish need different intensities of water flow. Just...
  • 【For 2-7 Gallon Fish Tank, Small & Safe】The small filter is suitable for 2-7 gallon fish tank. Size: 3.5 * 3 * 8.3-13in (9 *...
  • 【90 Days Money Back, 1 Year Free Replacement】LAQUAL filters are UL approved. And we ensure your satisfaction. If you have any...
Aquarium Power Filter 20-45 Gallon w/ Surface Skimmer Whisper Multi-Stage 158GPH...
  • 🐟【Crystal Clear】Make the turbid cloudy fish tank clean and crystal clear. NOTE: Fully immerse the pump in the water. This...
  • 🐟【Surface Skimmer】The aquarium water filter comes with a Surface Skimmer filter, which can automatically adjust the height...
  • 🐟【Easy to Assemble】You can learn how to install it in the user manual or video on the listing or contact the mailbox on the...
  • 🐟【Whisper-quiet Working】This filtro para pecera is very quiet, the engine sound is less than 40 decibels (Please make sure...
  • 💌【1 Year Warranty】We provide 12 months warranty, if you have any dissatisfaction with our water filter, please contact the...

Things to Consider Before Buying Best Aquarium Surface Skimmers

The Skimmer

The skimmer originated from the wastewater treatment industry and was later used in aquaculture systems.
The operation of the skimmer reproduces an effect that also occurs in nature, that of the waves that break on the beach and that carry with them through the foam the organic substances dissolved in the water.

The skimmer reproduces this simple principle, the production of micro-bubbles introduced mixed with water in a contact column. The organic molecules derived from fish excrements adhere to the bubbles (DOC: Dissolved Organic Compound) which are deposited in a special container.

In this way, the organic molecules are physically extracted from the water, and they are not allowed to transform into nitrates and phosphates.

Organic molecules have a polarized end (hydrophilic) which is attracted to water molecules, and a non-polarized end (hydrophobia) which repels water molecules and which is attracted to air molecules.

Skimmer Efficiency

Many factors affect the efficiency of the skimmer, some such as pH, temperature, density, the amount of dissolved organic substances, are related to the chemical and physical characteristics of the aquarium water, others are consequential to the derived variables by the attributes of the skimmer itself.

Bubble diameter: the air bubbles to make the largest number of organic molecules adhere and to make skimming efficient must have a diameter neither too small nor too large.

Too small bubbles rise to the surface with difficulty and tend to dissolve, too large bubbles rise too fast, offer a smaller adhesion surface (proportionally).

Watch to gather in bigger and bigger bubbles and formless foam on the surface of the water. For the record, the bubbles of ideal size must have a diameter between 0.5 and 0.8 mm.

Contact Time

The greater the time with which the air bubbles are in contact with the water, the greater the number of organic molecules that adhere to the bubbles. It is obtained by introducing bubbles of the right diameter which rise with the correct speed, and increasing the height and diameter of the column.

Bubble Quantity

The greater the plenty of bubbles, the greater the number of organic molecules attracted. There are three methods of introducing air into the column.

The diffusion method using porous wood, the injection method or Venturi and the suction method or Needle weel. Each has different characteristics that make it very inefficiency.

It is a very inexpensive method, but conceptually outdated than by modest results. It is often used in very small skimmers in combination with biological filters (they are not able, unlike Venturi and needle wheel skimmers, to manage an aquarium by themselves).

It can be used to the limit in small aquariums and to make the most of it it is better to use powerful aerators and use more porous wood. Some diffusion skimmers are equipped with a pump for the introduction of water and drain pipes for “overflow”, others do not have the pump, and the introduction of new water is allowed by a smaller diameter tube inserted in the contact.

It is the flow itself created by the air emitted by the porous material that deflects the purified water towards the bottom outlet.

Injection or Venturi: Unlike the diffusion system, the Venturi method is extremely efficient and allows perfect foaming and optimal yield.

The water and air are taken from a powerful motorcycle pump and pushed forcefully into a cone with a small hole at the end (photo below) positioned inside the pump delivery pipe. In this way, the water and air are emulsified, forming a large number of fine bubbles. The treated water comes out of an overflow from one or two drain pipes.

Venturi skimmers are commercially available for indoor, outdoor and sump installation.

However, the Venturi method has some small defects that make it an excellent but not perfect system.

Aspiration or Needle weel: they are the skimmers of the latest generation, a pump sucks water and air with the brush-modified impeller (photo below), which “splits” the air into a large number of perfect microbubbles.

The treated water comes out of an overflow from one or two drain pipes, in some cases equipped with an adjustment tap. There are commercially available models of needle weel skimmers for indoor, outdoor and sump installation.

How to Install the Skimmer?

A skimmer can be installed inside the tank, externally on the side or hung on the glass, or in the storage tank (Sump) under or alongside the aquarium. A useful trick is to position the pump as close as possible to the surface of the water, as organic substances tend to stay high.

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