Get matched with top rototilling pros in Fitzwilliam, NH

It depends on the model of your pool. You’ll always have to level the topsoil, but most vinyl-lined pools require an additional 1- to 2-inch layer of sand to protect the liner. This way, when a foot kicks down to the bottom of your pool, it’s not scraping the liner against the hard ground. If your pool isn’t vinyl-lined, you can skip this step or add a layer of another base material, like decomposed granite. Always check your manufacturer’s instructions before you begin.

For minor unevenness, you don't necessarily need to remove grass before leveling. You can apply a topdressing mixture to fill in low areas and even out the surface. However, for more significant unevenness or deep depressions, it might be necessary to temporarily remove the grass to ensure proper leveling and soil compaction. After filling and leveling, you can replace the grass or consider reseeding the area.

Improved drainage, garden aesthetics, and protection from moisture damage.

Yes, rain can affect the results of a perc test because it will partially saturate the soil and slow down the rate of drainage. Ideally, you should do a perc test during the driest time of the year and try to schedule it after a stretch of days where no precipitation occurs. This will give you the best chance of passing.