👉 Aquarium fluid, also known as water conditioner or aquarium water, is specially formulated to maintain a healthy environment for aquatic life by removing harmful substances and balancing the water's chemical composition. It contains essential minerals, buffers pH levels, and eliminates toxins that can accumulate in the water due to fish waste, decaying plant matter, or chemicals used in the aquarium. This fluid ensures that the water remains stable and safe for fish, plants, and beneficial bacteria, which play crucial roles in the aquarium's ecosystem. Regularly changing a portion of the aquarium water with fresh fluid is recommended to maintain optimal conditions and prevent the buildup of harmful substances.