Respuesta :
Answer:
Evaporation is the major cause behind the decreasing water level for your aquarium. Some other reasons are filtering pump and gravel base filters which accumulates the nitrous wastes after getting mixed with the fish excreta.
Answer:
Evaporation is the major cause behind the decreasing water level for your aquarium. Some other reasons are filtering pump and gravel base filters which accumulates the nitrous wastes after getting mixed with the fish excreta.