1and1/2 month tank

Can you get a close-up picture of one of the white spots?

 

look like this

 

My light is odysea t5ho 4 bulbs 1 atenic 1 purple 2 10k the brand is wave point coral do good till I target feeding green montipora too

 

I am at a loss. Can you post your parameters? Salinity, Temp, Alk, Cal, Mag

 

Salinity 1.025
Ph.8.0
Ammonia. 0
Nitrite.0
Nitrate.0
Phosphate. 0 with api test
Calcium 450
Temp 78 day time 75 night
Kh 9 drops
Magnesium I dont have a test for that and I dont dose

 

Not sure what 9 drops is, do you have a dKH?

 

Alkaline test

 

9 drops doesn't tell us what your alkalinity reading is, what's the actual dkh? Target feeding isn't gonna bleach your corals. Sometimes certain corals just don't do well. You need to get a magnesium test kit so you can monitor correct levels. I'm thinking your problem lies in unstable chemistry. Mag, calcium and alk stability are key in growing corals. Keep an eye on your temp swing too. Also, that's alot of light for that tiny tank, watch your photo period. There's no need to spot feed in that tank.

 

I go to get the reef test today I do wc weekly and I buy my water premix in my lfs

 

Api reef master