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.
Pond pumps are available in both submersible and external (out-of-pond) models. For the smaller pond (up to 1000 gallons of water), a submersible pump is the more economical and practical option.Submersible pond pumps can be placed directly in the pond and require relatively little installation.or the smaller pond (up to 1000 gallons of water), a submersible pump is the more economical and practical option. Submersible pond pumps can be placed directly in the pond and require relatively little installation.