10-18-2009, 04:16 PM
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Originally Posted by Jack Middleton
You can grow anything with that light over a 20 gallon, but some plants will require injected CO2
if you just want to grow easy plants, like anubias, echinodorus and crypt species etc, then you will be fine with an inert substrate, but dosing an all in one fertiliser that will provide your plants with full NPK+trace (TPN+ if your in the UK) elements so they can thrive, when you plants are thriving, algae will not, its as simple as that.
i take it your still cycling? fish in?
I would not add plants until your cycle has finished, as they will be covered in algae whilst ammonia levels are elevated.
i would suggest adding your plants while it is cycling as this will cyle your tank faster since they act as filtration. any algae that gets onto your plants can be easily removed by just rubbing it off of the leaves