🐟 Optimized BioGravel Filter Media for Aquariums Review

I can highly recommend this product. This was my second order. I used it to improve my biorb. There was enough light for my shrimp to move. It was porous enough for my herb to grow in and the fact that it naturally cleans the tank was its most amazing selling point.

that turns a poor little fish death into a fantastic life ball! It is placed over the coarse foam pond filter, which is located on the bottom grate. Our experience with this product so far is fantastic, the water chemistry has always been perfect, we used a whole bag on the stove. This time we notice the same qualities and the water smells fresh and sweet peas! Our plants are blooming and the water is crystal clear. Gravel can be added to the installed tank after flushing. Order direct from…

I ordered a 2 pound bag for my BiOrb Upgrade after watching the video from Pondguru. There was enough gravel to cover the foam (I used black foam just in case so it wouldn't be visible when the gravel moved). I think it would cover more if I used thinner foam. But so far so good! I had been using the original foam filter prior to the upgrade for about 6 weeks without fish after losing 2 fish on a very high nitrite surge. I moved those remaining fish to another community tank, let it work, and…

This is the best there is, but you won't get much bang for your buck. I wish I could measure, but I'd say about 2 US cups of gravel. I searched Youtube for my #49 Pondguru filter to update the BiOrb filter so I don't have to use the sharp ceramic backing that BiOrbs come with. I have a 4 gallon tank and after cutting out the pond foam and placing it in my tank I poured a 2 pound sack in and it wasn't enough. I have just ordered a second bag which does the job. This substrate is expensive but…