A planted refugium is a smaller tank attached to the main tank, usually about 10% of the volume. When planted with caulerpa (macro algae) it can act as a very efficient filter system and in many cases eliminate the need for a skimmer if the tank is lightly-modertately stocked. Spaghetti caulerpa (Chaetomorpha
) is the best if you can find it.
is a decent link that should give you some idea's.
It also has the benifit of stabalizing the PH. In the daytime, the lights from the main tank will stimulate the algaes in the diplay tank and they will produce O2
which increases the PH throughout the day. When a planted refugium is attached and reverse lit, the PH will not fall at night when the main tank algeas are giving off CO2
Marine algeas live much the same as house plants. They give off O2
during the day and at night the give off CO2
Scallops are fussy planktonic eaters and in most cases the size of the foods we feed are either too large or too small to adeqately feed them. Target feeding is usually the best method if you try keeping them. Mixing a bit of live phytoplakton and fine filter foods would be the best. Cover the scallop with a pop bottle that has had the bottom cut off and then insert the liquid food into the top and place the cap on for an hour or so. Do that once or twice a week and it may thrive, but general water additions will rarely work...