alainleon1983 wrote: Well, my intention it is not to promote a further discussion on Akadama

I think it is good information. I've not heard of Tokoname Akadama yet, but I have heard of, as I wrote before in this topic:

Auk wrote: Yaki Akadama is fired akadama (at 1200 C).

25 euro for 15 litres at this aquarium shop:
www.aqua-mac.de/aquaristikshop/Bodengrun...-1-5mm-15-Liter.html

Ah... just found Alain wrote about Tokoname Akadama, also in this topic:
"Akadama Tokoname 14l: 29,43€ (23,48£) Waaaay too expensive"