Question: Dry Ferts - The Planted Tank Forum
 
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post #1 of 2 (permalink) Old 09-30-2005, 09:19 PM Thread Starter
odw
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Question: Dry Ferts

Hello,

I just recently accquired a Co2 system. Now, I am in need of ferts. I have read a few threads. I saw something about purchasing the PMDD Pre-Mix from greg. I would like some advice.

I have a 55 gallon tank. Would this pre-mix be enough? What rate should I dose at. Most of all; if you have time. Explain on how everything affects each other. As in; How the nitrates, phosphurous(sp), and everything else aid in plant development. I'm sorry for being ignorant. I just don't know enough to ask good questions.
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post #2 of 2 (permalink) Old 09-30-2005, 09:57 PM
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Plants need food. They don't grow without nutrients, and they grow best if the correct balance of nutrients is available to them (and then somehow outcompete algae, although nobody knows why).

Those nutrients are macro nutrients Nitrate Phosphorus (which is missing from the PMDD mix) and Potassium. Some count Calcium and Magnesium, which is usually part of the tap water. Then we have micro nutrients, which can be supplied using something like CSM (trace element mix). Iron is a very important part of this. Third, CO2 is needed by plants and any addition to the water will aid plant growth.

The premix can work, I prefer to dose things separately, but many just add a pre-measured amount to their tanks and it seems to work well.


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