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.
The beauty of HA fillers is that they are very well tolerated because hyaluronic acid is a component of skin, so it is a naturally occurring substance. Itâs a soft product, and will last anywhere from 4 months, to up to 2 years, depending on the brand used, and the location it is placed. Another key attribute to the HA fillers popularity is that it can be completely dissolved with an enzyme called hyaluronidase.