Journal of My 80 Gallon Frag Tank "Mini Solo Cups" - Page 41 - The Planted Tank Forum
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post #601 of 612 (permalink) Old 02-11-2020, 04:11 AM Thread Starter
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Evening All:
So now no trimming for 5 evenings, what a mess!
All 3 tanks are starting to grow above the water's surface!

Performed some water testing over the last week or so.
Remember I don't change much water.
Several posts back I complained of no NO3 consumption, sitting around 40ppm.
PO4 addition brought the NO3 down rather quick!
Going to need to up the PO4 dosing in the macro mix very soon.

Valentine's Day coming up and the wife suggested Glock!
No questions asked, two kits were ordered today!


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post #602 of 612 (permalink) Old 02-11-2020, 04:21 AM
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Glock
Ok, now I am curious about something. Low PO4 resulted in now NO3 consumption? Interesting
Lately I have been dosing 5ppm+ as a weekly dose. Dosed this amount yesterday and tested today - 2ppm in the tank. Hmmmmm
As for your plants, thinking a chain saw with a sharp blade may be in order :-)


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post #603 of 612 (permalink) Old 02-11-2020, 01:46 PM Thread Starter
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Glock
Ok, now I am curious about something. Low PO4 resulted in now NO3 consumption? Interesting
Lately I have been dosing 5ppm+ as a weekly dose. Dosed this amount yesterday and tested today - 2ppm in the tank. Hmmmmm
As for your plants, thinking a chain saw with a sharp blade may be in order :-)
NO3 was around or close to 40ppm and PO4 was a bit less than 1ppm.
Nitrate would not budge for a week.
So I added 3-4ppm of PO4 all @ once and NO3 consumption went right back up to @ least 3ppm per day.
I've let this happen four times now before I thought I should really mention.

Going to need to modify my macro mix solution.

Machete may be my friend for this trim?
A little bit of plant death due to some shading again.
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post #604 of 612 (permalink) Old 02-11-2020, 03:14 PM
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Originally Posted by Maryland Guppy View Post
NO3 was around or close to 40ppm and PO4 was a bit less than 1ppm.
Nitrate would not budge for a week.
So I added 3-4ppm of PO4 all @ once and NO3 consumption went right back up to @ least 3ppm per day.
I've let this happen four times now before I thought I should really mention.
MG that is very interesting.

I've always dosed relatively high levels of PO4. If I cut it back, there are always some plants that rebel a bit. Tank always does better with more.

Now wondering if cutting it back is also affecting rate of NO3 uptake?


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post #605 of 612 (permalink) Old 02-11-2020, 04:44 PM
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Originally Posted by Greggz View Post
MG that is very interesting.

I've always dosed relatively high levels of PO4. If I cut it back, there are always some plants that rebel a bit. Tank always does better with more.

Now wondering if cutting it back is also affecting rate of NO3 uptake?
Exactly what I was thinking! PO4 runs low, Nitrate builds up, GDA gets happy - interesting


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post #606 of 612 (permalink) Old 02-11-2020, 05:55 PM Thread Starter
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I still make a macro solution for dosing.
Strangely over the past year I have been lowering the concentration of NO3 and increasing the PO4.
But it was never an extreme change, this one will be different!


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post #607 of 612 (permalink) Old 02-11-2020, 07:58 PM
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I still make a macro solution for dosing.
Strangely over the past year I have been lowering the concentration of NO3 and increasing the PO4.
But it was never an extreme change, this one will be different!
Well that's not surprising to me. Plants like PO4.

My NO3:PO4 ratio is currently about 2:1......a far cry from the 10:1 I have seen written about so many times.


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post #608 of 612 (permalink) Old 02-11-2020, 08:17 PM
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Well that's not surprising to me. Plants like PO4.

My NO3:PO4 ratio is currently about 2:1......a far cry from the 10:1 I have seen written about so many times.
Interesting. I never understood why K2PO4 even came in the same size container as a dry fert seeing how little is called for. In the past I've only upped it when I saw GSA or took the rare test and saw it was low. Going to try doubling the amount this week, thanks for sharing that.
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post #609 of 612 (permalink) Old 02-11-2020, 08:24 PM
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Originally Posted by Maryland Guppy View Post
Evening All:



Performed some water testing over the last week or so.

Remember I don't change much water.

Several posts back I complained of no NO3 consumption, sitting around 40ppm.

PO4 addition brought the NO3 down rather quick!

Going to need to up the PO4 dosing in the macro mix very soon.



Thanks for sharing...

Have you noticed any changes in your plants or an increase in GSA as your phosphate levels reduced?


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Fluval EDGE slightly modded, low tech
3+ gallon (40 x 16 x 20.5 cm) aquatic soil, low-tech
Fluval spec V (sitting in a box)
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post #610 of 612 (permalink) Old 02-11-2020, 10:28 PM Thread Starter
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Well that's not surprising to me. Plants like PO4.

My NO3:PO4 ratio is currently about 2:1......a far cry from the 10:1 I have seen written about so many times.
I always ran about 10:2 or 10:3

No GSA in the tank at all.

A little hair algae in the back right corner where all the debris ends up.
We will not discuss the BBA all over the slimmer, heater and spraybar!
If it's warm or plastic BBA is a magnet in my tank, but I really take no preventative measures on these items either.

I did change about 10 gallons of water today.
That's a big one for me in a day!

Big trim is happening, no salvage yard projects either, if it looks bad from shading right to the trash!

More later and maybe some pics.
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post #611 of 612 (permalink) Old 02-12-2020, 12:40 AM
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Pics are always appreciated as I am not a big reader
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post #612 of 612 (permalink) Old 02-13-2020, 12:51 AM
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Apologies, I posted on the wrong thread. Although I do follow along here.
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Last edited by celticfrog42; 02-13-2020 at 12:53 AM. Reason: Exchanged comment for a post intended for my journal.
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