Use this liquid organic pond clear water formula in your fish pond to color the water plus keep water clearer and better in quality. Clear Blue Pond fish pond cleaner contains a broad spectrum of beneficial bacteria, organic pond dye and microbial nutrients. Removes excess nutrients such as phosphates, nitrates and ammonia from water, breaks down sediment, colors water an aesthetically pleasing shade of blue, improves water clarity and water quality. Safe for all aquatic life including fish, plants, and invertebrates. One 32 oz container.