Hello. i just bought 50 UV LEDs. below are the specs.
DC Forward Voltage: Typical: 3.2 V Max: 3.6 V
Luminous Intensity : Typ: 3,000 mcd
Wavelength: 395-405nm
DC Forward Current: 20mA
plz help me on:
1. How many to put in a 2feet tank?
2. Is it good for the fish? mostly gold fish.
3. Is it...