lighting for a 490 liters aquarium

LeicaBogdan

Junior Poster
Sep 10, 2010
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i have now a 250 liters aquarium, i want to upgrade to a 490 liters aquarium. what light you consider is suitable for it? i thought of 5 tubes of 54 watts. is this enough?
what specters should i use?
 

dutchy

Plant Guru Team
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Jul 6, 2009
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Hi, welcome at the Barr Report.

Here advice concerning light is based on readings with a PAR meter, which measures the available amount of light that can be used for photosynthesis. The watt per liter rule is outdated and obsolete. To give you a good advice, we need the size of the tank.

regards,
dutchy
 

dutchy

Plant Guru Team
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You could use 3 tubes of 54 Watts with good reflectors, if you give them a good spread of 15 centimeters. If you don't want to use reflectors, but a white painted hood, use 4 x 54 Watts. This will give you enough light to grow every plant you want. More light will make it harder to meet CO2 demand and there's a bigger chance of getting algae because of that.

You can use every bulb you want that makes the light of the tank appealing to you. Your plants will grow anyway. You will never notice the difference if your plants grow 1 cm. more or less per month because of spectrum. All daylight type bulbs have enough red and blue to allow photosynthesis.

regards,
dutchy
 

LeicaBogdan

Junior Poster
Sep 10, 2010
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thx a lot.and what can you tell me about the substrate...im thinking of using JBL Aqua Basis plus 5 l - 75 pieces , like 4 bags...
 

dutchy

Plant Guru Team
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Sorry, can't help here. I've never used that one, 4 bags should be enough, this will give you a 2 cm. layer.

regards,
dutchy
 

LeicaBogdan

Junior Poster
Sep 10, 2010
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it`s not avaible in my area....i was thinking i told you in aquabasis from jbl, with a mixture of Aqua Medic Terralit which starts in aproximatley 7 months.
 
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