I feed my star one fingernail sized piece once every other week. I eat shrimp myself quite a bit so I usually have it but don’t be embarrassed to ask for 1 shrimp at the fish counter because usually they will just give to you for free
You can use frozen as long as you thaw it but buying fresh unfrozen is healthier.
Stars are extremely sensitive to any changes in temp/ph/sg
over 10 ppm
. They usually are not recommend to anyone with a tank less then 6 months old due to the unstable nature of newer tanks. Doing regular 10%-15% pwc
weekly is critical to their long term survival.
If I have to do a pwc
larger then 30% (lately I have due to traveling so much) I remove my star to a clean aerated bucket and re-acclimate him to my tank for a couple of hours with the drip method just to keep him from shock.