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Here's an analysis of the WPG of Amano's tanks in his Nature Aquarium World books:
http://www.fitchfamily.com/lighting.html There's even a calculator at the bottom to determine the wattage you need for your tank. |
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They should have already started pearling at this stage if there is adequate light, CO2 and nutrients. If they have not, they probably will not start later since they react quite quickly to favourable conditions.
The normal culprit is lack of light... However, not pearling does not mean it is not growing and the riccia is unhealthy. It just isn't producing enough O2 to saturate the water... |
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I brought the PLS(9W and 13W) from KW(Penang)..... both the PLS tiubs stated 6500K...Made In China kut??
I feel the light is not as bright as in the first few days.... maybe my eyes already use to it..... or probrably my hypotesis is right:Made in China.... |
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Quote:
wan bo? i still got one 15 watt aquaglo use only 2 week. sell for rm 8, anyone wan???? why 2 week, cos after buy i upgrade casing 2 20 watt.. yuhas, wat light u use? |
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