Rainbow World - Coronule Size:Medium A highly concentrated blend of

A highly concentrated blend of fast-dissolving marine salts

it effectively removes impurities

The media is a complete solution that includes both calcium and carbonate as well as essential trace elements

and gnaw on these colorful tennis balls

and helps monitor water quality and prevent invisible water problems that can be harmful to fish and plants

Rainbow World - Coronule Size:Medium A highly concentrated blend ofPawise Rainbow World Coronule Dog Toy Rainbow World Coronule is a durable rubber chew toy designed for dogs, suitable for both indoor and outdoor use. A durable rubber chew toy, great for indoor and outdoor use. Approx Sizes: Small 9. 5cm dia Medium 12cm dia Large 14cm dia