new to the hobby

Im looking for a good sponge filter for my betta since his current hob filter just seems too strong any recommendations as well as an air pump to attach with it ?

hey everyone! i’m really new to the fish hobby (got my tank on the 13th & cycled for 2 weeks before adding 4 guppy fries), i have a 10 gallon tank, i am planning on doing medium levels of planting (a few of the plants that look like grass and a bunch of bushels of guppy grass & maybe a few other...

Today, after much internet research and conversations with seasoned hobbyists, I picked up my first saltwater aquarium.   It's a 55g with established live rock and sand. We brought home 30g of established water and I mixed a bunch of fresh. It came with an adorable little true percula clownfish...