CANNA Coco Brick
CANNA is one of the top coconut coir providers. This company monitors the production of their coir to ensure it is well dried, aged, and flushed of all salts.
FOXFARM FX14100 Coco Loco
Fox is also a top coir provider. Just like CANNA they track their product to ensure it is well dried, flushed out salts, and aged before packaging it.