Forams
These little creatures are basically shelled protozoans, one celled organisms (Subphylum: Sarcodina – the amoebas). They form shells primarily composed of calcareous material, with siliceous material from sponges, or other organic material.…Hydroids
…...Acropora Red Bugs
This is a fairly well proven method for eliminating these bugs but it is hard to find milbemycin since Interceptor is no longer sold. https://reefs.com/calculators/acropora-red-bug-milbemycin-treatment-calculator/...
