Yes.
In order to reduce the salt that is present in many lower-quality coco coirs, the coco coir we source has been rinsed to reduce salinity to 1.5 milliSeimens/cmo or (mS/cm) or less. We have had no complaints of high salt contents from worm breeders or indoor growers.
https://shop.urbanwormcompany.com/collections/worm-castings-and-soil-amendments/products/coco-coir