I've just bought a new lamp with 2 x 150W HQI and 2 x 58W T8 and I'd like to replace the HQI bulbs with Giesemanns because they have a nice spectrum:
and coulor temp 5600 K. But anyone with real experience with these bulbs?
By the way my tank is 130 x 50 x 50 cm!
and coulor temp 5600 K. But anyone with real experience with these bulbs?
By the way my tank is 130 x 50 x 50 cm!