Available for same-day dispatch (T&C Apply):
https://www.hydra-int.com/crystal.html
– Hydra Crystal acts rapidly on the pond green water to give you crystal clear water.
– Completely biodegradable.
– Free of all toxic additives, mineral based Hydra Crystal absorbs and chelates phosphates, nitrites, and other water pollutants to give you a clean healthy water body.
– Special green water treatment formula improves the water quality without disturbing the ecological balance of the pond.
– Safe for fish, reptiles, birds, invertebrates, mammals, humans and water plants.
– No damaging effect on concrete surfaces or synthetic liners.
– Not harmful for biological filters or pumps installed in the pond.
– Immediately after the product application, scattered single-celled algae flocculate will clump together to be removed through the filter system.
