I am confused what bulbs are really HQI? I know most of the double ended bulbs are not true HQI. I have a real HQI ballast but I don't know what bulbs to get for it.
That's a nice and big clam. Freshwater dips will only help if it is parasites that are attacking it. It is worth a shot. But there are other things that attack clams like bacteria and protozoa that are hard to fix. I have heard bacteria wiping out a lot of clams. Maybe there is something...
I have some Table Acropora frags that are on frag plugs. They have encrusted a lot but they haven't made table shapes yet. How long does it take for them to start growing out instead of encrusting?