“The spheres have a lot of surface area and you can tell there is biofilm on them. They are doing the job well. If I'd known how good it was I'd have sprung for the larger plates. It's good stuff.”
“The spheres have a lot of surface area and you can tell there is biofilm on them. They are doing the job well. If I'd known how good it was I'd have sprung for the larger plates. It's good stuff.”
