I have a 90gal high tech planted tank with medium to high light requirements. I currently run a two bulb T5HO which covers the total length of the glass top tank. Tank is 48in wide and 24 tall with no floating plants. How many hours per day should this light be left on for optimal growth and color? Thanks.
Fishbarrie
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1,273 Posts
Aquatic plants would often be shadowed by the canopy or other plants for at least part of the day. In nature the leaves are also covered by biofilm, fine particles and algae.The high intensity, vertical light that we provide should not be compared with natural conditions.
You have to decide/discover what is optimal for your aquarium. As other suggested aim for about 8h. I would suggest start with 6 if the aquarium is new.
Look at the plants, some plants like Althernathera close their leaves when they want to go to sleep. If you go alot over the 'optimal' duration you might get algae.
You have to decide/discover what is optimal for your aquarium. As other suggested aim for about 8h. I would suggest start with 6 if the aquarium is new.
Look at the plants, some plants like Althernathera close their leaves when they want to go to sleep. If you go alot over the 'optimal' duration you might get algae.
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