Co2 can help plants. But If its low tech and low light will it still help? I am setting up a dirt tank and plant to add co2 as I think it can help plants. Reply please.
CO2 helps in any type of tank setup. Just make sure the amount of light isn't in the "too low" range. For example, you would want about 30 PAR. This will work especially well with a dirted tank, which has a lot of available nutrients.
Co2 can help plants. But If its low tech and low light will it still help? I am setting up a dirt tank and plant to add co2 as I think it can help plants.
Since you are not dosing other fertilizers, the added CO2 will create problem in the long term.
At first you will see fantastic growth because the added CO2 will allow plants to draw from the reserve in the soil substrate. But after the reserve has been used up, your tank will experience severe algae problem. You will have to re-do the whole tank or start dosing other fertilizers.
With the concentrations that DIY co2 will add I'm not sure that you will have such issues. Low light, low co2, low ferts. If the plants were receiving medium light or co2 then yes, I would agree.
It will cost very little to begin dosing basic NPK and trace elements, with dry chemicals. See http://www.plantedtank.net/forums/showthread.php?t=21944 Then you won't have to worry about running short on nutrients. The change you will see by adding just DIY CO2 will really please you.
I'm with Hoppy on this one and I don't find DIY Bio-CO2 a PITA at all! Here's what I'm doing in my 60g.
I basically have two alternating 4L (1g) containers so I replace one every two weeks with no trouble at all.... and I don't see an algae problem.
I was low tech and my substrate is silica (pool filter) sand and I did lightly fertilize. However, my plant growth had somewhat stalled. But after adding DIY CO2, just a bit more light and ferts (call it 'Medium Tech' now) and the plants are doing fantastic. My Amazon Sword and wisteria are trying to grow out of the tank! (and this 60g is 24" deep.)
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