There are many threads and reviews of this being such a pita as it always floats and goes over your weirs. To me too.
I started soaking this overnight in a little coral cup with tap water to a consistency of watery oatmeal. Add a little Selcon. Scrape the stuff off the side of the cup with a chopstick and feed. Flows all over the water column, no floating.
Gratuitous shot of said anthias. I had been using a chopstick long before this anthias

I started soaking this overnight in a little coral cup with tap water to a consistency of watery oatmeal. Add a little Selcon. Scrape the stuff off the side of the cup with a chopstick and feed. Flows all over the water column, no floating.
Gratuitous shot of said anthias. I had been using a chopstick long before this anthias




