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Penn-Plax presents the The Cascade 300 Power Hang-On Filter quietly delivers crystal clear water throughout the aquarium. This filter pushes water at 300 Gallons per Hour (GPH) for tanks up to 100 Gallons in size. It’s great for Freshwater and Saltwater aquariums.
ACCOMMODATING: The adjustable flow knob allows for increased or decreased water flow at will, which is extremely helpful during feeding times, or use it as needed. The hang-on design is constructed for safe mounting. The lift tube extends between 8. 25” (min) and 12. 25” (max). Please be aware that the filter indeed does make some noise.
EXTREMELY BENEFICIAL: This Cascade filter utilizes disposable, double-sided media cartridges that contain Activated Carbon and Poly Fiber Floss. The included cartridge traps floating particulate matter, removes harmful chemicals and toxins, clears up discolorations, and reduces foul odors from your aquarium’s water. Media cartridges are recommended to be replaced once a month.
REVOLUTIONARY: The Cascade 300 Power Hang-On Filter features a Bio-Sponge cartridge that optimizes colonization of anaerobic bacteria, and is independent from the first stage filter media. In addition, our Bio-Falls system enhances water oxygenation, and aids with removing ammonia and nitrate.
OVERALL MEASUREMENTS: 8. 25” (H) x 11. 25” (W) x 6. 25” (D)
.Coogi83
Reviewed in the United States on January 9, 2025
I have one on my 55 gallon and one on my 75 gallon..... the 55 gallon works perfectly but every now and again I have know the one on the 75 gallon to start up and work right but other than that it's a really good filter
Customer
Reviewed in Canada on January 6, 2025
This has worked non stop for months without a problem. So far so good. Easy to assemble and easy to clean.
C
Reviewed in Canada on August 30, 2024
The media could not be loaded.
Mark Lehr
Reviewed in the United States on July 14, 2024
I have over 35 years in this hobby and a fishroom with 34 tanks. I say that because I've tried most everything in this hobby over the years and am super impressed with this unit. It is virtually silent, as the waterfall bio system eliminates any splash from the overflow. It is not as versatile as the Seachem Tidal, as it uses cartridges instead of Seachems basket design, but dollar for dollar the Cascade is a great unit at about 30% less cost than Seachem. The Cascade is well made, has a large syrface are on the filter cartridge, and uses the dual cartridge approach of Marineland, but with a better quality cartridge. I also like that i will be able to save the mechanical filter cartridge frame to use my own filter floss DIY. When running a lot of tasks, that is a huge money saver. I will definitely buy this unit again for future set ups. I would use it solo up to 75 gallons, maybe even 125 gallons if live plants and stocked with smaller tetras, etc..
Oreo
Reviewed in Canada on March 19, 2024
Works great and is very quiet
Jenners
Reviewed in Canada on January 14, 2024
I really love the self priming and it's not super quiet, but also not loud either. The 300 is definitely louder than the 200. The only issue I had was the first one came cracked. I'm finding that Amazon isn't great with their products lately though either. I've had several returns due to product issues so don't be alarmed if you get a broken one first time round.
Arden Carlson
Reviewed in Canada on December 4, 2023
I thought I would give this filter a try however the serene environment of the tank was shattered by the noise this product makes.It's very easy to set up and has a good water flow but it's far too noisy.I'll stay with my totally silent canister filter.
A. J. Sol
Reviewed in the United States on May 24, 2022
After reading the instructions, installing everything as instructed, I filled it with water and put the plug in and nothing happened. I emptied the water and took the filter off the tank. I was very disappointed it didn't work right out of the box. It appeared the impeller and shaft wasn't seated properly and there's a lot of play in it even when it is seated properly. So I fiddled with the impeller and shaft, got it to seat properly, tested it in the sink, and then put it back on the tank, filled it with water, and it worked. So, hopefully people will read this review prior to installing the pump and make sure the impeller and shaft are properly seated and working prior to filling it with water and putting it on the tank. Otherwise they will be unhappy like I was having to empty the water and fiddling around with it to get it to work after it was already installed. It seems to work well and has good flow and is very quiet.Update: Filter has been performing well and I cleaned it for the first time. It is much easier to clean than my Aquaclear 110's. It isn't quite as powerful, but much easier to handle and keeps my 38 gallon tank very clear. I don't think I would use it on my big tank though because it doesn't have quite the power and flow that the 110's have. Good alternative if you want to save yourself time and trouble cleaning the Aquaclears.
Alexander
Reviewed in the United States on May 21, 2022
I decided to switch to this filter for my 62-gallon fancy goldfish tank after running a Marineland Penguin for quite some time... it was the best decision I could’ve made.The biggest pro to using this filter is the silence. It’s the quietest hang-on-back filter that I’ve ever come across. 4 months in and there’s little to no mechanical noise coming from the motor, my mother often puts her ear up to the filter because she can’t believe it’s even on. There’s also very little noise created by the water return (which I absolutely love). If you’re someone who likes to hear the sound of running water this filter will not be it for you, you can hardly hear a trickle.The filter is also incredibly efficient with a fantastic (and completely adjustable) flow rate. They really don’t lie on the box when they say this thing turns over 300 gallons of water per hour. Be prepared to have your water looking clear as day, especially when used with the right filter media.My only concern with this filter is that the materials do feel a little bit fragile, so I’m curious to see how it holds up long term.All in all though, it’s fantastic value for the cost; it’s just as good as any other mainstream brand filter out there.
Symbols Of Love
Reviewed in the United States on October 26, 2019
I love this unit! I was able to do a minimal customization to allow this unit to hang on the side of my 55 gallon tank! It’s small yet large enough to keep the tank clean. Perfect for filter modifications! It’s 3-4 times larger than the quiet flow 10! It’s much, MUCH quieter than the whisper EX! Enough room to add any media you’d desire to the holding/processing tank. Has a flow adjustment which would be great for more delicate fish. With a hand grinder I was able to remove 2 tabs, one from each side of the unit where the opening for the water to flow is, it wasn’t quite small enough to fit the 55 gallon side, so I took a hand grinder and cut off each tab shown in my photos, it fits perfectly into the space now and works great for the area I needed it to fit into! Happiness!PLEASE NOTE: If you appreciated this review please give it a “thumbs up/like if it was helpful” I truly appreciate you helping me to continue to give honest/unbiased insight into products I’ve used and you may have questions about. Interested in a product but don't know enough about it and would like it reviewed? Please let me know and I'll see what I can do... follow me for a vast array of purchased product reviews.Thank you 🙏
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