When should I start dosing ferts on a new tank? - The Planted Tank Forum
 
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post #1 of 6 (permalink) Old 04-01-2010, 11:54 PM Thread Starter
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When should I start dosing ferts on a new tank?

I just started an iwagumi about a week ago. It is a mini-m with only HC and a little bit of dwarf hairgrass and about to add some riccia. I haven't added any ferts yet, but figured it was about that time. I have been pumping diy co2 in since day 2. I'm getting about 1 bubble every 1.5seconds and have 26watts of light over the tank.

I have pfertz micros and Flourish N, P, and K at my disposal. Should I start dosing in small amounts and build my way up?


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post #2 of 6 (permalink) Old 04-02-2010, 12:09 AM
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Are you using ADA Aquasoil? Or mineralized topsoil? If not, you need to fertilize as soon as you want the plants to start growing. I always figure I want my plants to grow immediately, so I start dosing immediately.

You need to dose NPK and traces, and the easiest way to do that is the EI method - see the first sticky in this forum.

You have 26 watts, but what kind of lights? That could be too much light or too little light, depending on what kind of lights you have.

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post #3 of 6 (permalink) Old 04-02-2010, 12:11 AM
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I just recently started a tank. I planted and set up the co2 the first day then started ferts the next, I dove right in , I set no3 to 10 ppm po4 to 1.5ppm and k to 10ppm , I've been keeping them around that level and have had nothing but positive plant growth (pics in my journal) the only thing I can think of is for you to add some temporary stem plants to help use up the ferts until the carpeting plants are established.

Ps. Wuuuuuu


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post #4 of 6 (permalink) Old 04-02-2010, 01:54 AM Thread Starter
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Hoppy, I am using Ammazonia II.
The lights are two 13watt Ott-Lites like this: http://images.lowes.com/product/conv...12003672md.jpg I can't find the kelvin rating, it just says daylight. They are close to 4 inches from the water surface.

Kunzli, I went ahead and started dosing tonight. Thanks for the suggestions.


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post #5 of 6 (permalink) Old 04-02-2010, 02:32 AM
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With AS you really only need K and Micros for the 1st 6 months or so, although adding some P and N shouldn't hurt. The biggest issue will be keeping it clean (no algae). Best way to do that is alot of water changes. You should also use carbon and/or Purigen for the 1st few weeks since you want to keep the water pretty lean of organic content.
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post #6 of 6 (permalink) Old 04-02-2010, 02:35 AM
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With ADA Amazonia Aquasoil you can get plant growth without dosing anything other than possibly potassium and trace elements. I don't know enough about those lights to guess how bright they are.

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