Seachem Laboratories 6503 Tidal Filter Review

Perfect replacement filter pads. A durable sponge that can be rinsed and reused, retaining beneficial bacteria multiple times before replacing.

I bought extra sponges for my Tidal to throw in my quarantine tank which doesn't always work to immediately provide beneficial bacteria for a cycling tank. I take out an old sponge full of bacteria, throw it in a new tank, replace it with an unused sponge and an instant cycle tank, works great.