Pure Water Pebbles Aquarium Gravel - Heavenly Blue, 5 lbs (3.1-6.3 mm Grain) Wings 3oz in each bowl

3oz in each bowl

Tightens when your dog pulls and loosens when he heeds your correction

Fits up to 21 inch neck

Thiamine Mononitrate (Vitamin B1)

Any additional predrilled faucet holes should be plugged

Pure Water Pebbles Aquarium Gravel - Heavenly Blue, 5 lbs (3.1-6.3 mm Grain) Wings 3oz in each bowlPure Water Pebbles Freshwater Aquarium Substrate contains all natural gravel with a fish safe 100% acrylic coating. These attractive pebbles are non toxic, colorfast, and will not alter the chemistry of your aquarium water. Gravel Grain Size 3. 1 6. 3 mm Premium freshwater aquarium substrate Natural gravel with 100% acrylic coating Non toxic, colorfast, will not alter water chemistry Pure Water Pebbles are recommended for aquariums, ponds, terrariums,