I use Liquid Life and DT's. Liquid Lige is frozen but squeezes out like a thick syrup. I mix it wth tank water and target feed my clam. DT's is like green water. Again, I use it mostly for my clam.
If it is anything like that, just mix it with tank water and dump it in.
*180 gal Display, 100 gal basement sump, 33 gal refugium, 3x250 MH, 2x160 VHO actinics, zoos, some softies, LPS & lots of acros and other SPS.
*100 gal prop tank plumbed into main system w/ 2x96 PC lights and 1x150 MH,