What causes a chalice to recede?


New Reefer
Manhattan Reefs
Rating - 0%
0   0   0
Thoughts? I have a chalice at the bottom of my 156. It's been there for 1.5 years and doing very well. It has started to recede. I don;t have hermt crabs or anything else that could be picking at it.

SG 1.026
Nitrates 0
PH 8.2
Cal 480
Phosphates 0Mag 1350tep 77-79 degrees F
Lighting x4-54 watt T5's and x2-250 watt MH's

Running GFO in dual monster media reactor. Water changes 15-20% every 7-10 days
Dosing B-ionic 2 part
Brightwell Aquatic restore 2x weekly
Last edited:


New Reefer
Manhattan Reefs
Rating - 100%
48   0   0
Staten Island
Yeah that white is growth. I run my tank at
Ca 430
Dkh 9.5
Mg. 1450

I have no issues. So maybe strive for that and see what it does for you.