I would have to look back to my experiment and checked how long the Amazonia was leaching ammonia, probably 8 weeks until it didn't.
The light was about 4 weeks of soaking and changing water until it was at a point I was comfortable with not leaching for shrimp. Which I was surprised at.
Also at the AGA 2018 I got a sample jug of the CaribSea Samurai Soil and was told it is the harder fired balls and doesn't leach at all also long lasting. I didn't need to set up another tank so I haven't used it yet. It also has "mycorrhizal fungi for enhanced root development "
Just checked and it is 9L for 37.99 free shipping. FYI
Maybe I should at least get it out and check it, for scientific purposes, and have to start a new tank after the testing is done
New to FW fish? First tank in a long time or EVER??? Need some info on keeping fish?
Start here - Aquarium Advice Article
FW Favorites right now Clown Loaches, any shrimp - SW Vase Red Mangroves