New tank readings.

Hi set new marine tank Saturday morning. 100ltr tank.
Checked levels today. Readings NO3 20,
NO2 0, PH 7.5/8, SG 1.0245
Does this mean I could add clean up crew already. Looking at 2 shrimp. 2 small hermit crabs and maybe 2 snails.

Kitlist
Aragonite. 15kg Live rock, Tunze 9001 skimmer(not yet active), Reef circulator 2600, Aquaone Ocellaris 850UV, 100ltr corner tank