Crystal Blue Lake and Pond Dye - Water Soluble Bag Treats 1/4 Acre (Royal Blue, 2.5 Gallons)

Blue Color Pond Dye Crystal Blue is 100% nontoxic Safe for lifestock and fish Highest concentration and the latest in aquatic chemistry Crystal Blue is safe for fish, livestock, or waterfowlYou may also like Atlantic A-L-310 Gardens Pond Auto-Fill Kit with BONUS Max Ponds Magnet.