I'm trying to decide on an internal filter for a 29 gallon planted aquarium. I think it's between these two...
https://www.amazon.com/dp/B0002DJLFK/?tag=ff0d01-20
Any thoughts (especially if you have experience with these brands)?
Penn-Plax Cascade 600 Fully Submersible Internal Filter – Provides Physical, Biological, and Chemical Filtration for Freshwater and Saltwater Aquariums
https://www.amazon.com/dp/B0002DJLFK/?tag=ff0d01-20
Fluval U3 Underwater Filter, Freshwater and Saltwater Aquarium Filter, A475
https://www.amazon.com/dp/B001TKZ51E/?tag=ff0d01-20Any thoughts (especially if you have experience with these brands)?