New Life Spectrum THERA+A (Naturox Series) - Regular Sinking Pellet (1mm-1.5mm) 80gNatural Series Products Our new Nauturox series versions of our products are available for each of our original product lines. The products use ingredients only preserved through vacuum packing (antarctic krill) or using all natural Naturox instead of ethoxyquin. In addition, the new formulas feature the next generation of our Spectrum Nutrition Formula, reducing grains and adding great ingredients like squid, ginger, and mineral rich bentonite clay