Works great. Purchased about 3 months ago and used in my freshwater planted tank. I dont know what i was thinking putting it in a freshwater tank. But it did work a little bit, this is best suited for a saltwater tank.

The Fluval Sea PS2 Mini Protein Skimmer in black (14324) is an excellent addition to your marine aquarium. With a tank capacity of 20 gallons, this internal filter is designed to keep your aquarium free from excess proteins and other nutrients.

The Fluval Sea PS2 is a protein skimmer that is perfect for fish and aquariums. Its brand name is Fluval, and it is designed to work efficiently in marine water. This model is suitable for tanks of various sizes, and it is an ideal choice for those who want to maintain a healthy and balanced aquatic ecosystem.