Neptune's years are 164.8 Earth years. Its days are 16 hours and 6.7 minutes long. Although Neptune's days are shorter than our days, its years are still longer than ours.
Most colorants will last in your pond approximately 30 days. You may have to add more pond dye before 30 days if you have execissive rainfall, run-off, a heavy out flow, or evaporation. If your colorant is fading you will visually be able to tell and should add more dye to the water.
âIf you have pond fish and/or Koi, you need to leave your pond pumps and filters on 24 hours a dayâ. If you have a biological (meaning it is alive) filter you need to leave your pond pumps and filters on 24 hours a day.his cost is made up in usually three or four months of use. So dont be afraid to leave it on. It is imperative that you leave your pond pump on 24 hours a day. And to that many people say â well, I turn my swimming pool on only 4 or 5 hours and it is doing just fine.