01-07-2012, 06:06 PM
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Originally Posted by Nubster
I'm not sure really how much light I have. I'd say medium since the reflectors on the fixtures pretty much suck. I do know that other plants like my crypts and swords grew like CRAZY. The crypts are a lower light plant however the swords are not.
Crypts are sometimes referred to as "low light" but this is a bit misleading, since they are quite different from the earlier mentioned plants. Crypts occur as amphibious plants and some species are in direct sun. The nice thing is that most all species will manage well in low light, which is why they are frequently considered in that context. But given brighter light, they can exhibit different growth. Most species change their growth according to the light intensity, and this is actually common with many substrate-rooted aquarium plants.
Before you start changing things, remember that all this is a balance. Light and nutrients must be in a specific balance, so if you start messing with light you're only looking at one component. Increasing or decreasing one aspect does not mean better, unless that specific aspect was out to begin with. If the CO2 is to be discontinued, which was my earlier intention, then the light may be sufficient or it may need reducing.