When/if to fertilize? - The Planted Tank Forum
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post #1 of 4 (permalink) Old 04-12-2010, 07:07 PM Thread Starter
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When/if to fertilize?

My 65g tank (36x18x24) has been set up for 12 days now--since 3/31. (It's been planted for 4 days-since 4/8.) Here are the stats:

ph 7.4
ammo 0
nitrites 0
nitrates 0
substrate flourite
84 w T5 Coralite Aqualight (2 6700K & 2 Colormax bulbs-each fixture is set almost 8 inches apart)
12hrs lighting duration

plants (I think)-

marsilea quadrifolia
cryptocoryne wendtii
microsorium pteropus
sagittaria platyphylla
cryptocoryne spiralis
anubias nana
jungle vals

Fish etc-

10 gold Xray tetras
8-10 nerite snails
2 MacCulloch's rainbowfish (will be adding more rainbows)

When/if do I start dosing ferts (micros, macros, and excel)?
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post #2 of 4 (permalink) Old 04-12-2010, 10:34 PM
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of the plants you listed I would say that the marislea will be the one to tell you its time for ferts. look for signs of stunted growth, or faded color in the leaves. Please be aware that this is just a guess and im a newb to dosing ferts myself.

My 65g jungle October rain
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post #3 of 4 (permalink) Old 04-12-2010, 10:38 PM
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I think you probably have low-medium light, so CO2 isn't necessary. If you use plant tabs poked down into the substrate I doubt that you need to dose the water, although it won't hurt to do so, providing you dose lightly and only about weekly. With no CO2 or Excel you shouldn't do regular big water changes. Just replace the evaporation losses.

Even though CO2 is probably unnecessary, adding CO2 will give you faster plant growth. Then you could use an EI type of fertilizing method. Or you could use Excel for carbon, and again use an EI type of fertilizing method.

I suggest reducing the lights on time to 8 hours.

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post #4 of 4 (permalink) Old 04-12-2010, 11:52 PM Thread Starter
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Thanks so much! Hoppy-can I do a split so that I can view the tank with the lights in the morning and at night? Like 4 on, 4 off, 4 on? Will that mess them up?
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