Do I need to buy metal halide lamps to keep animals like giant clams or is there a cheaper way? thanks for any help
fishieness said:plust that is exactly what it will be if it is in a green house....GREEN. (most likely)
In any tank without adequate nutrient control, light will cause algae blooms. It can be PC, halide or sunlight.fishieness said:in smaller tanks without adequate filtration you will get algae blooms... trust me, it has happened. But as i said, the larger ones with good filtration probably wont.