Brad, I'm not sure, but it helped my snails. I need to put it in my other shrimp tank to see what happens. Vaultboy, I got it from mordalphus, but I don't know if he ships internationally. Send him a pm. Also, I have seen it in health stores and ebay, but I don't know how it compares.
Without Algae, death of mankind would be inevitable.
It will help our your nerites and CRS to an extent. Overall, nerites are coming from hard water, and putting them in our soft planted tanks will be a little harsh on their shells... It definitely helps, but wont stop the problem completely. As far as CRS are concerned, it's a great tool to help their white coloration stay strong, and will help keep the water very clean and polished for them
you can get the same effect by adding a kitty litter (walmart special kitty) in the substrate.
How do you figure? Now granted, I have no knowledge of the, "Walmart special kitty" brand litter, but typically when people talk of using kitty litter in soil substrates, they're talking about diatomite or calcined diatomaceous earth, a sedimentary clay formed from the fossilized remains of diatoms from ancient freshwater lakes. It is similar to other calcined clays such as Turface MVP (calcium carbonate). While it has its own set of beneficial properties, it's hardly the same as far as practical applications. High quality calcium montmorillonite is a great addition for plants and invertebrates in established soft water tanks as well as the system as a whole by purifying the water and removing heavy metals and other pollutants bound to wind up in your mulm.