what do my plants need for keeping them under 2.9watts per gallon of light?

  • We are currently upgrading MFK. thanks! -neo

sharpy

Feeder Fish
MFK Member
May 10, 2005
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I was wondering if my plants will need fertilizers, how much CO2, and what amount of water changes being under 2.9watts per gallon of light?

I currently have root tabs for my melon sword. No other ferts used. I use three DIY 2liter CO2 bottles on my 55gal tank. Do I need to increase this? Is it possible to overdose CO2? If so, what happens? I was also thinking about getting the Hagen Plant Grow Natural System with CO2. Is this system worth it compared to DIY?

http://www.petsmart.com/global/prod...1175364312845&itemNo=0&In=Fish&N=2030065&Ne=2


Right now I'm having problems with blue-green algae and hair algae mostly. I have a relatively low plant mass. I will be getting more plants today. I want to use seachem flourish excel but I can't find it in my lfs. I don't want to buy it online because it cost $14 a bottle (for a small bottle), including the shipping. I just can't bring myself to pay that for a small bottle of it. Should I use regular flourish instead? What are the differences between the two? My substrate is 3.5'' of cheap topsoil topped with a 1'' of play sand. This tank is semi-el natural. I would prefer to not have to dose ferts daily. Weekly at most. I will not buy pressurized CO2. Can't afford it right now. I prefer for this tank to be semi-low maintenance. Under 2.9watts per gallon is this possible?
 
Kent Freshwater Plant has Iron and Potassium, and it works great for me. Look for a price on that, check ebay.
 
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