Our Top Recommendation
- WITH ROTATING BIO-WHEEL: Patented Bio-Wheel technology provides excellent wet/dry biological filtration.
- MULTI-STAGE FILTRATION: Delivers mechanical, chemical and biological aquarium filtration to maintain a clean...
- COMPATIBILITY: Use with Marineland Rite-Size Filter Cartridges (see individual filter for sizing recommendations).
Keeping fish in compact spaces can turn out to be disastrous and even result in a loss of fish. Therefore, a suitable sized aquarium is a must when you have pet fish. However, that’s not all. You will need to install some necessary equipment in the tank if you wish for your fish to stay alive and healthy. One of the most important equipment that you can get for a fish tank is a filter.
Filters are necessary when you want to keep the water crystal clear and the environment healthy. A 30 gallon fish tank can easily accommodate a filter and ensure that no chemicals, toxins and debris stay in the water for long.
Mainly, there are 3 types of filters available out there: biological, chemical and mechanical. These filters are designed to keep a tank clean and the water clear. A super clean tank not only looks alluring but it is also what the fish want and need.
Filters are not expensive, and have a long life. A cartridge typically lasts six months, and in most cases can be replaced with a new one.
You can extend a filter’s life with the help of proper maintenance. You must make sure to let no dirt accumulate inside a filter, as it would not only shorter a filter’s life, but may also impact the quality of work.
Filters can accumulate debris in them and it can turn into ammonia and pass into the tank water, therefore, make sure you clean your filters in a timely manner and change the cartridge every 6 months, or as suggested.
Now, without much ado, let’s have a look at the best 30 gal fish tank filter for super happy fish:
1. Tetra Whisper Power Filter
This is one of the cheapest 30 gal fish tank filters you will find out there. However, it being cheap doesn’t mean that it lacks in performance. In fact, this filter works like a charm when it comes to keeping a 30 gallon fish tanks ultra clean at all times.
Whisper Power Filters are popular because they serve three operations simultaneously. Installing this filter will eliminate the need to add any other cleaning media because with this, you can clean the tank water mechanically
(cleans food/plant/fish waste etc), chemically (eliminates the odor and chemicals that harmful for the fish), and finally, biologically (promotes growth of beneficial bacteria)
All things considered, this is the ultimate filter for your fish tank, however, there is one thing that may be troublesome - it can be a bit noisy at times.
2. Aqueon QuietFlow LED PRO Aquarium Power Filters
If you’re looking for a filter that offers top notch filtration then your search ends at Aqueon Quietflow LED PRO aquarium power filter. The best thing about this filter is its 4 stage filtration capability which ensures that the water in the tank stays clean. The 4 stages are mechanical, biological, chemical and wet-dry filtration.
Stage#1: The waste particles and accumulated debris are removed by a dense floss. (Mechanical)
Stage#2: Harmful chemicals and toxins are removed from the water by activated carbons. (Chemical)
Stage#3: Nitrite and toxic ammonia that can be formed by fish waste is cleaned by bio-holster. (Biological)
Stage#4: In this stage, oxygen is regulated throughout the tank so that your pets can stay healthy.
The water flowing rate is higher compared to other filters in this price and this filter also works on a self starting system. So you can rest assured that your fish will stay safe and healthy when you install this filter in the tank. Also, there’s an LED that informs you when it is time to change cartridge.
While it is an amazing 30 gal fish tank filter, it does have one small flaw. It can be hard to clean at times, but with a bit practice you will learn the art.
3. Marineland Penguin Power Filter
Marineland filters need no introduction as they have been making equipment for aquariums for a long time. This particular filter is a powerful one as it can filter 200 gallons per hour, which is a lot considering other filters that claim to be as good as this one.
When you have this filter in your tank then you won’t be seeing any debris floating or resting at the bottom thanks to the mechanical filtration it does. Also, this filter makes sure that the tank’s water doesn’t get cloudy or smelly as it can also clean chemicals and toxins with its chemical filtration.
Lastly, biological filtration ensures that bacteria is grown nicely and toxic ammonia is removed, thanks to the bio-wheel attached in the filter, doing this is a piece of cake for this filter.
While assembling this filter is very easy if you follow the manual, however, this filter can be a little louder. Other than that, this is one of the best 30 gal fish tank filters.
4. AquaClear Power Filter - 110 V
This filter is preferred by a lot of pet lovers for their fish tanks because of its high filtration rate (7x more than similar products).
The filter doesn’t degrade the view as it can be hung on and hidden at the back. Also, it is upto you to set a flow rate because it offers a customized filter performance which a lot of filters fail to do. The benefit here is that you can reduce the flow rate up to 50% and the water will get re-filtered multiple times, hence cleaner water.
Like other products on the list, this one too offers all the filtration types. Buying this filter will make your water cleaning task hassle free because this filter really is worth it and is one of the most ideal 30 gal fish tank filters you can find.
However, on the downside, it requires a lot of maintenance and must be cleaned every 10 days or so.
5. Grech CBG-500 5W UV Sterilizer Hang-On Back Filter
This filter performs best in tanks ranging from 10 to 15 gallons. This filter is super stylish and enhances the look of your aquarium once hung on. You can control the water flow rate according to the size of the tank and your pets.
There’s also a surface skimmer that comes with the filter. Its job is to clean the oil from the surface of the tank. Apart from that, the UV fertilizer helps to reduce bacteria and algae that makes the water cloudy.
The flaw of the product is that when you are adjusting the water flow rate, the pump generates and passes air bubbles into the water and also makes noise.
These are the 5 best 30 gal fish tank filters that can be bought online. However, keeping the tank and filter well maintained and clean is also necessary.
Contrary to the popular belief, 30 gallon tanks are easy to clean, alongwith the filters.
All you need to do is drain 10%-15% of tank water to lower the water level and extract any debris. Once done, clean the tank’s walls and the filter too.
Filter cartridges should also be rinsed and left to dry to prolong their life.
Last update on 2020-05-25 at 23:45 Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product. CERTAIN CONTENT THAT APPEARS ON THIS SITE, COMES FROM AMAZON. THIS CONTENT IS PROVIDED ‘AS IS’ AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.