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Hagen AquaClear 70 (formerly AquaClear 300) multi-stage filtration system provides optimal mechanical, chemical and biological filtration. CycleGuard now with BioMax preserves beneficial bacteria for a stress free environment. Invisible and harmless, beneficial bacteria are essential in the removal of toxic ammonia and nitrite. AquaClear's patented refiltration system allows you to control the flow rate without compromising filtration efficiency. When the flow rate is reduced, up to 50% of the water within the filter chamber is processed multiple times. More impurities are filtered out, creating a healthier tank with sparkling clean and clear water.
3-Stage Filtration Features:
- Stage 1: Mechanical Filtration
Foam filter pad provides a large surface area to trap particles and debris - Stage 2: Chemical Filtration
Carbon filter bag absorbs odors, discoloration and impurities - Stage 3: Biological Filtration
BioMax nodes provide optimal living conditions for beneficial bacteria
Other Features:
- For aquariums 30 to 70 US gallons
- Maximum output: 300 US GPH
- Full flow control: 100 US GPH
- Includes Foam, Carbon and BioMax Filter inserts
Review Summary
4.7
3 Reviews
5
67% (2)
4
33% (1)
3
0% (0)
2
0% (0)
1
0% (0)
100% Recommend this product (3 of 3 responses)
By sf l.
a little noisy
September 27, 2019
Had 2 of these over many years. They were always perfectly silent. I hear the water gurgling as it exits the container before it spills into the tank. Have tried different water heights and checking the propeller but to no avail. The sound gets annoying. But I can say it keeps the 10 gal tank perfectly at the lowest gph setting. The fish are happy.
By Ellliot
South
Excellent
February 4, 2014
in a nutshell- super easy set-up, works really well. tank was cleaned and clear within hours.
all of the above
kinda wish there was a way to switch from one side of the tank to the other. I can't make it fit on the other downpipe because of the design of the filter. but overall, excellent.
By majtek862
Kansas City
Perfect for the job.
January 20, 2012
I like these HOB filters. No need for bio wheels or bio media in a reef tank and these are just great for putting whatever media you choose in them. Great flow and small footprint made it the perfect choice for my application.
Great flow, efficient and easy to clean.
