For example, I regularly plug a Micro USB cable into an iPhone charger and charge with that. Cheap, non phone chargers however, may not be regulated, and that could damage your phone. In short: Any cable or charger from an old phone is fine to use if its Micro USB (same connector).
Untreated surface water in rivers, streams, lakes, and ponds is not safe to drink unless it is treated to remove bacteria, viruses, and parasites.
Simply pour Crystal Blue colorant into your pond from the shoreline and it will even clear up muddy ponds. Crystal Blue is 100% safe for humans, fish, livestock, pets, birds, swimming, potable water and irrigation. Crystal Blue maintains color and clarity all year long.