Review on 🐠 GloFish Accent Gravel: Explore Various Colors & Types for Aquariums by Cathy Young

They are ok I haven't had any problems with them floating or anything but they are very light and only my whisper filter is one in my 29 in a gallon tank GloFish (which is a very gentle flow) makes it very easy to move them around until only clusters/heaps remain in certain areas of the tank. I read in another review that someone mixed them with gravel so I can still use them but definitely not for what they are intended for. I'm not mad considering I bought them when they were selling for $1.50.