Editor's Choice - Our Favorite Penn-Plax Aquarium Filter Accessories

1. Penn-Plax Cascade CCF5UL Canister Filter For Large Aquariums and Fish Tanks – Up To 200 Gallo...

User Ratings: 72 8

Penn-Plax CCF5UL First Impressions

"It's absolutely perfect."

Fish that are constantly swimming hard will tire and die from stress. I have been buying these bags for years. Nitrates in small doses are not as harmful to the fish as Ammonia. I bought these because I was afraid my shrimp were getting sucked up in the filter. I have always had an undergravel filter and my aquariums. If you don't know much about this just google it. Tank is clean and all my new shrimp are still alive!

  • Penn-Plax Cascade CCF5UL Canister Filter For Large Aquariums and Fish Tanks – Up To 200 Gallons, Filters 350 GPH
  • CASCADE CANISTER FILTER FOR FRESHWATER OR MARINE ENVIRONMENTS: the Cascade 1500 (CCF5UL) has 5 media baskets, works at 350 GPH, and is recommended for Aquariums up to 200 gallons. It measures 11.5 x 20.5 x 12 inches.
  • STATE OF THE ART FEATURES OF THE CASCADE 1500: ♦ flow valves that rotate 360 degrees for easy maneuvering in even the tightest aquarium cabinets ♦ large capacity media baskets allow aquarists to customize to their media needs ♦ push button primer allows for a quick and easy prime of the filter ♦ includes a spray bar, tubing, directional spout for customization, and filter medium.
  • USE ANY COMBINATION OF MEDIA: floss pad for removing particulate matter and a course sponge that provides abundant surface for promoting bacterial growth (to remove ammonia and nitrites) included free with purchase
  • SEE BELOW FOR DIAGRAM, THE CASCADE 1500 INCLUDES: ♦ Flow rate control cut-off valves ♦ two independent directional 360 degree rotating valve taps ♦ swimming pool – style hose clamps ♦ quick, easy, push button self-primer ♦ extra-large capacity stackable filter medium containers with lift-up handles ♦ floss pad and coarse sponge included, free with each canister filter ♦ easy lift alignment clamps that release vacuum suction ♦ sturdy tip-proof base
  • FILTER MEDIA OPTIONS BY CASCADE AVAILABLE ON AMAZON, SOLD SEPARATELY: see below for details, sold separately is media such as: bio-floss, bio-sponge, bio-rings, filt-a-pack pro-z, and filt-a-pack pro-carb-z.
  • Age range description: All Life Stages
  • Manufacture: Monster Pets
  • Item Weight: 15 pounds
  • Product Dimensions: 20.5 x 12 x 11 inches
  • Editor's Impressions Of The Penn-Plax CCF5UL
  • Quality
  • Value For Money
  • Affordability

Penn-Plax CCF5UL Final Thoughts

"Easy to handle."

Even its quite costly, but it last long. Cut slightly oversized, it seems very effective as a particulate filter. I've definitely noticed a difference in my water quality. Have been using this product for few month for my planted tank. The other tank is an old AIO retro tank I have with a media rack in it. I had to take a blade and run it through all the slats because the factory doesnt q. The more you overpopulate your tank, the more frequently you'll have to do this.

Overall Score
4.4


(6041 Points)

Peoples Choice - Other Highly Rated Penn-Plax Aquarium Filter Accessories

2. Penn Plax Premium Under Gravel Filter System - for 40-55 Gallon Fish Tanks & Aquariums, Blue (CFU55)...

User Ratings: 72 5

Penn-Plax CFU55 First Impressions

"Overall fairly easy."

This filter system doesn't come with everything to you need. I purchased these for an aquarium at school. That's a long time if you knew how nasty that many shrimp and minnows can be! You can run everything on battery backup sockets. But if you don't weekly vacuum it up, it will eventually clog the filter. If you're looking for new filters, go with these. I have been buying these bags for years.

  • Penn Plax Premium Under Gravel Filter System - for 40-55 Gallon Fish Tanks & Aquariums, Blue (CFU55)
  • Undergravel filter system includes 4 filter plates (each measuring 11.5" X 11.5") with extra large 1 inch adjustable lift tubes.
  • Filter is suitable for most 40 and 50 gallon aquariums. Clips to hold each section securely together are included.
  • 2 carbon filter cartridges remove odors, and water discoloration by trapping the pollutants in the pores of the carbon.
  • This undergravel filter hides from view for maximum aesthetics. Safe for use in both freshwater and saltwater tanks.
  • Effortless setup and easy maintenance make this premium undergravel filter a must have for all home aquariums.  Simply place filter plates at the bottom of the tank and cover with gravel.
  • Manufacture: Penn Plax, INC.
  • Product Dimensions: 11.5 x 2.5 x 11.5 inches; 2.02 Pounds
  • Editor's Impressions Of The Penn-Plax CFU55
  • Quality
  • Value For Money
  • Affordability

Penn-Plax CFU55 Final Thoughts

"Pretty good."

I have a Top Fin 10 power filter and these cartridges fit perfectly. So here is the product size on the boxes that isn't included in the description! It's a pain in the butt to put together the directions don’t do it that well. It was exactly what I needed and fit beautifully. For obvious reasons, don't put them directly above or below a tank. You can cap off the ones you don't want to use. I have used UG filters for many years.

Overall Score
4.5


(1295 Points)

3. Penn Plax Cascade 700/1000 GPH Canister Filter Aquarium Bio Sponge Replacement, 1 Pack

User Ratings: 82 1

Penn-Plax CCF229 First Impressions

"Good luck y'all!"

You will also need to replace their rechargeable batteries about every 2 years or so. It was easy to assemble and very effective! You can put power heads on the riser tubes to increase the flow through the filter. We use this product to the extreme. The injection molding for the plastics leave a lot to be desired. I've saved so much money since switching, plus my tank stays cleaner. A great addition to the filtration system.

  • Penn Plax Cascade 700/1000 GPH Canister Filter Aquarium Bio Sponge Replacement, 1 Pack
  • Keep your water clean and clear with the replacement bio sponge for use in the Cascade 700 Model CCF2UL and Cascade 1000 Model CCF3UL canister filters.
  • The bio sponge filter removes ammonia and nitrites from your aquarium tank keeping your aquarium clean, healthy, and odor free.
  • Filter sponge optimizes the colonization of beneficial aerobic bacteria which prevents the water from becoming cloudy and harming fish.
  • Perfectly cut to fit into the Cascade 700 / 1000 filter tray without any gaps  which could allow pollutants to re-enter the water.
  • Genuine Penn Plax replacement cartridge for Cascade 700 / 1000 standard and Elite models. When used together, the filter and bio sponge provide maximum protection against water pollutants.
  • Manufacture: Monster Pets
  • Product Dimensions: 7.5 x 1.5 x 5.5 inches; 0.32 Ounces
  • Editor's Impressions Of The Penn-Plax CCF229
  • Quality
  • Value For Money
  • Affordability

Penn-Plax CCF229 Final Thoughts

"I use the APC brand."

Customizable in terms of media used. But by two weeks, the output did drop. This is a lot of filter pad for your money. Don't restrict air-flow around them as they do get quite warm. We operate a saltwater bait store, dealing in live shrimp and bull minnows. Plenty strong to support the rocks and gravel in my tank without sagging. This filter system doesn't come with everything to you need.

Overall Score
4.7


(680 Points)

4. Penn-Plax Premium Under Gravel Filter System - for 10 Gallon Fish Tanks & Aquariums, Blue (CFU10)

User Ratings: 65 4

Penn-Plax CFU10 First Impressions

"Really good stuff."

I don't advise using a UG filter as the only filtration source in large tanks. Stop buying those expensive filters, buy this and make your own. Don't shut it off for more than a few minutes at a time. You can run everything on battery backup sockets. The main part is cleaning, that I need to find out. The box comes with super easy and clear instructions. Luckily I'm using powerheads and the weight of it helps hold it in place.

  • Penn-Plax Premium Under Gravel Filter System - for 10 Gallon Fish Tanks & Aquariums, Blue (CFU10)
  • Includes filter plates, air Stones, adjustable lift tubes and filter cartridges
  • Provides powerful biological and chemical filtration
  • Keeps your tank looking crystal clear
  • Age range description: All Life Stages
  • Manufacture: Penn Plax, INC.
  • Product Dimensions: 9.5 x 1.25 x 10.25 inches; 12.8 Ounces
  • Editor's Impressions Of The Penn-Plax CFU10
  • Quality
  • Value For Money
  • Affordability

Penn-Plax CFU10 Final Thoughts

"See pictures."

7in, which is only about half the length of the unit. It works okay for now but I hope it does not mess up my filter in the long run. I'm using this pad to HOB filters AC70 bottom and top of it’s sponge. It comes with carbon filters, and air stones. If you have several aquariums, use separate UPS backups. I will keep using these and recommend them to anyone. I missed it in my opinion these filters are a must have.

Overall Score
4.4


(447 Points)

Honorable Mentions - More Top Selling Penn-Plax Aquarium Filter Accessories

5. Penn-Plax Premium Under Gravel Filter System - for 20 Gallon Fish Tanks & Aquariums, Blue (CFU20)

User Ratings: 70 4

Penn-Plax CFU20 First Impressions

"Great product."

If you have a nano tank with filter these would be perfect for that setup. They are easy to clean but are very small. I bought these to put over the inlet to the filters in my aquariums. Don't get anything smaller than 750VA as you don't want to overload them. If you're looking for new filters, go with these. I missed it in my opinion these filters are a must have. You get what you pay for but i had to work on it a lot.

  • Penn-Plax Premium Under Gravel Filter System - for 20 Gallon Fish Tanks & Aquariums, Blue (CFU20)
  • Includes filter plates, air Stones, adjustable lift tubes and filter cartridges
  • Provides powerful biological and chemical filtration
  • Keeps your 20 gallon fish Tank or aquarium looking crystal clear
  • Age range description: All Life Stages
  • Manufacture: Penn Plax, INC.
  • Product Dimensions: 11.5 x 1.25 x 11.5 inches; 1 Pounds
  • Editor's Impressions Of The Penn-Plax CFU20
  • Quality
  • Value For Money
  • Affordability

Penn-Plax CFU20 Final Thoughts

"I love it!"

Work perfect on my shrimp tank to keep them out of the filter. I missed it in my opinion these filters are a must have. And provide a few low current areas in the tank for fish who are stressed to rest. It's a pain in the butt to put together the directions don’t do it that well. The box comes with super easy and clear instructions. For obvious reasons, don't put them directly above or below a tank. This is great for transporting aquarium life from location to location too.

Overall Score
4.5


(404 Points)

6. Penn-Plax Premium Under Gravel Filter System - for 29 Gallon Fish Tanks & Aquariums, Blue (CFU29)

User Ratings: 69 4

Penn-Plax CFU29 First Impressions

"Works well."

Work perfect on my shrimp tank to keep them out of the filter. The filters fit fine and I was happy to see that some carbon packs were included. But a small simple rubber band fixed the issue quickly. I use two layers of floss before the water goes to and through my chemical media. I have been using an Aquaclear 50 on a 20g long planted tank. Right now I am letting the filter work it's magic. You can cap off the ones you don't want to use.

  • Penn-Plax Premium Under Gravel Filter System - for 29 Gallon Fish Tanks & Aquariums, Blue (CFU29)
  • Includes filter plates, air Stones, adjustable lift tubes and filter cartridges
  • Provides powerful biological and chemical filtration
  • Keeps your (up to 29 gallon) tank looking crystal clear
  • Age range description: All Life Stages
  • Manufacture: Penn Plax, INC.
  • Product Dimensions: 14.13 x 1.25 x 11.25 inches; 1.06 Pounds
  • Editor's Impressions Of The Penn-Plax CFU29
  • Quality
  • Value For Money
  • Affordability

Penn-Plax CFU29 Final Thoughts

"5 gallon enchant tank."

It comes with the filter bag, bag frame, and charcoal media all separate. This filter system doesn't come with everything to you need. I have found you really have to scrub the outside to get everything cleaned out. I had to rinse the sponges after about 2. But a small simple rubber band fixed the issue quickly. My pad collected yellow cloudy color also all waste. Fun to modify your filter and clean tank as well.

Overall Score
4.5


(347 Points)

7. Penn Plax Cascade 1200 / 1500 GPH Canister Filter Aquarium Bio Sponge Replacement; 1 Pack

User Ratings: 85

Penn-Plax CCF329 First Impressions

"Otherwise, very pleased."

I have used UG filters for many years. Also work great as filler for canisters and other filters. I have always had an undergravel filter and my aquariums. Keep your stocking of creatures low. Particles fall off into the aquarium when you take them off to clean them. You can put power heads on the riser tubes to increase the flow through the filter. I double the size and fold them and put the bagged carbon between the layers.

  • Penn Plax Cascade 1200 / 1500 GPH Canister Filter Aquarium Bio Sponge Replacement; 1 Pack
  • Keep your water clean and clear with the replacement bio sponge for use in the Cascade 1200 Model CCF4UL or 1500 Model CCF5UL canister filter.
  • The bio sponge filter removes ammonia and nitrites from your aquarium tank keeping your aquarium clean; healthy; and odor free.
  • Filter sponge optimizes the colonization of beneficial aerobic bacteria which prevents the water from becoming cloudy and harming fish.
  • Perfectly cut to fit into the Cascade 1200 / Cascade 1500 filter tray without any gaps  which could allow pollutants to re-enter the water.
  • Genuine Penn Plax replacement cartridge for Cascade 1200 / Cascade 1500 models. When used together; the filter and bio sponge provide maximum protection against water pollutants.
  • Manufacture: Monster Pets
  • Product Dimensions: 7.5 x 1.5 x 5.5 inches; 2.4 Ounces
  • Editor's Impressions Of The Penn-Plax CCF329
  • Quality
  • Value For Money
  • Affordability

Penn-Plax CCF329 Final Thoughts

"Can't beat the price!"

If you have several aquariums, use separate UPS backups. I have been buying these bags for years. I was having a problem with tiny fish getting sucked into the inlets. Customizable in terms of media used. Of course you will need to let the silicone cure before installing in water. I double the size and fold them and put the bagged carbon between the layers. The main part is cleaning, that I need to find out.

Overall Score
4.8


(245 Points)

8. Penn Plax Cascade Canister Aquarium Filter (Cascade Black 1500 Elite)

User Ratings: 76 8

Penn-Plax CCF5BMK First Impressions

"High quality."

I purchase the 8 pack size Large and fits great on my TopFin 40 Gallon Filter. For my smaller fish tank I find that it is just enough. The filters fit fine and I was happy to see that some carbon packs were included. Right now I am letting the filter work it's magic. It was a struggle to keep the water clear before i got the goldfish. I end up cutting a small 2x3 inch square for each of my media baskets. Stop buying those expensive filters, buy this and make your own.

  • Penn Plax Cascade Canister Aquarium Filter (Cascade Black 1500 Elite)
  • $237 Value. Cascade Black Elite filter kit for aquariums up to 200 gallons.
  • Pumps 350 gallons per hour. Quick easy push button self-primer. Flow rate cut-off valves adjust water flow.
  • Includes filter, (1) Bio-Sponge, (1) Bio-Floss 6pk, (1) Pro-Carb 2pk, (1) Bio Rings 10oz and (1) Large Magna Sweep algae magnet.
  • Be up and running in minutes. Nothing else to purchase. It is all included.
  • Quick and easy monthly maintenance saves you time and aggravation.
  • Manufacture: Penn-Plax
  • Product Dimensions: 11.81 x 11.81 x 20.47 inches; 15.98 Pounds
  • Editor's Impressions Of The Penn-Plax CCF5BMK
  • Quality
  • Value For Money
  • Affordability

Penn-Plax CCF5BMK Final Thoughts

"ALL I can say is wow."

We operate a saltwater bait store, dealing in live shrimp and bull minnows. Most plants won't like the highly oxygenated gravel and will die. You get what you pay for but i had to work on it a lot. I was having a problem with tiny fish getting sucked into the inlets. I took off two points because the pictures are misleading. I have used UG filters for many years. I bought these because I was afraid my shrimp were getting sucked up in the filter.

Overall Score
4.5


(138 Points)

9. Penn Plax Cascade Canister Aquarium Filter (Cascade Black 1000 Elite)

User Ratings: 72 13

Penn-Plax CCF3BMK First Impressions

"Quiet and reliable."

For my smaller fish tank I find that it is just enough. But if you don't weekly vacuum it up, it will eventually clog the filter. I don't advise using a UG filter as the only filtration source in large tanks. Keep your stocking of creatures low. I end up cutting a small 2x3 inch square for each of my media baskets. TopFin frame is on the left, Tetra on the right. I use two layers of floss before the water goes to and through my chemical media.

  • Penn Plax Cascade Canister Aquarium Filter (Cascade Black 1000 Elite)
  • $167 Value. Cascade Black Elite filter kit for aquariums up to 100 gallons.
  • Pumps 265 gallons per hour. Quick easy push button self-primer. Flow rate cut-off valves adjust water flow.
  • Includes filter, (1) Bio-Sponge, (1) Bio-Floss 6pk, (1) Pro-Carb 2pk, (1) Bio Rings 10oz and (1) Large Magna Sweep algae magnet.
  • Be up and running in minutes. Nothing else to purchase. It is all included.
  • Quick and easy monthly maintenance saves you time and aggravation.
  • Manufacture: Penn-Plax
  • Product Dimensions: 9.84 x 9.84 x 16.93 inches; 13.01 Pounds
  • Editor's Impressions Of The Penn-Plax CCF3BMK
  • Quality
  • Value For Money
  • Affordability

Penn-Plax CCF3BMK Final Thoughts

"Overall fairly easy."

It was a struggle to keep the water clear before i got the goldfish. Right now I am letting the filter work it's magic. The injection molding for the plastics leave a lot to be desired. Of course you will need to let the silicone cure before installing in water. I rinsed and reuse same pad again 3 times and trashed later. Most plants won't like the highly oxygenated gravel and will die. I missed it in my opinion these filters are a must have.

Overall Score
4.3


(131 Points)

10. Penn Plax Cascade Canister Aquarium Filter (Cascade Black 1200 Elite)

User Ratings: 68 8

Penn-Plax CCF4BMK First Impressions

"I would recommend these."

It was easy to assemble and very effective! Fish that are constantly swimming hard will tire and die from stress. Much better than the cartridges you get when you buy the filters. I rinsed and reuse same pad again 3 times and trashed later. Don't restrict air-flow around them as they do get quite warm. Keep your stocking of creatures low. So stock your tanks a few fish at a time.

  • Penn Plax Cascade Canister Aquarium Filter (Cascade Black 1200 Elite)
  • $197 Value. Cascade Black Elite filter kit for aquariums up to 150 gallons.
  • Pumps 315 gallons per hour. Quick easy push button self-primer. Flow rate cut-off valves adjust water flow.
  • Includes filter, (1) Bio-Sponge, (1) Bio-Floss 6pk, (1) Pro-Carb 2pk, (1) Bio Rings 10oz and (1) Large Magna Sweep algae magnet.
  • Be up and running in minutes. Nothing else to purchase. It is all included.
  • Quick and easy monthly maintenance saves you time and aggravation.
  • Manufacture: Penn-Plax
  • Product Dimensions: 11.81 x 11.81 x 19.69 inches; 14 Pounds
  • Editor's Impressions Of The Penn-Plax CCF4BMK
  • Quality
  • Value For Money
  • Affordability

Penn-Plax CCF4BMK Final Thoughts

"Highly recommend."

I'm using this pad to HOB filters AC70 bottom and top of it’s sponge. I double the size and fold them and put the bagged carbon between the layers. My tank is 12x36 so I utilized 3 of the panels. These work great as pre filter sponge on my quiet flow 10. You can put power heads on the riser tubes to increase the flow through the filter. I use two layers of floss before the water goes to and through my chemical media. Make sure to select the Medium size from Tetra.

Overall Score
4.3


(93 Points)

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