Is it growth or loss

[the new guy]

I got this Acro about a month ago at first he maintained really colorful tips but now some of the tips are a whiteish
Color but still has great polyp extension the white tips have white polyps so I'm trying to figure out if it's growth or not any help is appreciated I'm still relatively new to sps thank you in advance

Mag-1200 Red Sea test kit
Calcium-450 Red Sea test kit
Phosphate 0 tested twice on a Hana low range
Ph 8.02 seneye & Neptune apex
Nh3 .001 seneye
Nh4 15.46 seneye
Salinity 1.022-1.023 instant ocean hydrometer

 

[reef lover]

A lot of new growth In spa starts out white and then colors up. As long as there's good pe I wouldn't b concerned

 

[the new guy]

Thank you