What is the best time to dose ferts?? - The Planted Tank Forum
 
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post #1 of 10 (permalink) Old 02-17-2006, 12:58 AM Thread Starter
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What is the best time to dose ferts??

I've been thinking about this for a few days and before i start testing it out only to find that it has all ready been tested( trying to save some time) .........Is there a optimal time? would this time frame change with the use of dry over liquid frets?(ie...a diff. time for dry and liquid)


Did a search so if this has been asked please point me in the right path.
Thanks


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post #2 of 10 (permalink) Old 02-17-2006, 01:54 AM
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I know this has been asked before and there was quite a bit of discussion, but like you, I wouldn't be able to find the thread...
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post #3 of 10 (permalink) Old 02-17-2006, 02:45 AM
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I recall this coming up about a year ago...

IMO and IME I dose in the morning (when I did dump a bunch of macros in), right before I left for work (7 am)...lights don't go on until 11...so they're all there waiting for the plants when the lights come on.

Micros: I used to dose likewise in the morning, but now I put my liquidose back to use and it delivers 4 x day in 2 hours increments from lights on till about lights off.

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post #4 of 10 (permalink) Old 02-17-2006, 03:02 AM
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I dose in the AM as well. It would seem to me that, as Georgia says, you want the nutrients to be there when the lights come on, but its also possible that this does not make a difference at all. It would depend on how long the ferts stay in the water column.
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post #5 of 10 (permalink) Old 02-17-2006, 03:26 AM
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KNO3 and KH2PO4 will stay in the water column until the plants use it, so it shouldn't make any difference when you add it. Iron, on the other hand, has a limited time in the tank as available iron, or that is what I recall learning. So, I suppose that means mornings are best for traces. The joker in the deal is that aquatic plants grow at night too, so the best answer is probably that it doesn't make any difference period.

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post #6 of 10 (permalink) Old 02-17-2006, 06:41 PM Thread Starter
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Thanks for the posts ....ive looked and looked for that thread ,but still having no luck with it.........up in till now ive been dosing late at night(my lights dont go off till 2 am)
ive been getting great growth and no algea (one day ill buy some algea eaters orther that my Epalzeorhynchus bicolor and he just around to keep the driftwood clean)
''best answer is probably that it doesn't make any difference period.''
Hoppy you could be right but ........


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post #7 of 10 (permalink) Old 02-17-2006, 10:38 PM
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aquamoon, if you do decide to test this theory, I'd be interested to hear the results.

So far for me I add my macros near beginning of the day for plants (2PM, lights go on at 11AM) and they benefit from that. But before that, I used to forget to do it a lot so a lot of times I added it almost before lights went off. The next morning when the lights came back on, I could see the difference. So, so far from what I've seen, the plants benefit either time. But if you can get a conclusive before and after pic of both, that'd be a nice reference.
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post #8 of 10 (permalink) Old 02-17-2006, 10:47 PM Thread Starter
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valleyvampiress thanks for the post.......
if i don't find the thread by sunday.... i plan to start testing Monday with 3 20 gal tanks so that i can mult test( maybe 4 tanks)


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post #9 of 10 (permalink) Old 02-17-2006, 11:57 PM
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I dose in the mornings...
1. It is easier for me to remember in the mornings...
2. I run a UV overnight, and IIRC, it can react/dimish ferts a bit
3. ...see number 1


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post #10 of 10 (permalink) Old 02-18-2006, 04:13 AM Thread Starter
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https://plantedtank.net/forums/genera...-day-dose.html:

so i was looking in the wrong place
the thread is the same as this one
Quote:
Originally Posted by plantbrain
It does not matter, plants and algae assimilate all the time.
Light or not.

Regards,
Tom Barr


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