Need guidence with fertilizers. Very confused... - The Planted Tank Forum
 
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post #1 of 6 (permalink) Old 02-23-2010, 06:06 PM Thread Starter
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Need guidence with fertilizers. Very confused...

Hi everyone. Sorry for bringing up another question about dry fertilizers, but although I did my research on the net I'm still confused .

What I have is:
a 5.5 gallon standard tank (16" x 8" x 10")
x2 10 watt colormax compact fluorescent bulbs just on top of the glass canopy
Eco-complete as substrate

Water parameters
7.2 ph
GH 120 ppm
KH 120 ppm

My plants are (to my knowledge) not very demanding

Rotala Indica
Ludwigia repens
Marsilia minutia
Java fern
Anubias nana & petit
Fissidens Fontanus moss
Marimo ball
Christmas moss

Intended live stock are 1 olive nerite snaile, 1 Betta Splendens and 5 Cherry Shrimp.

I'm using Excel as my CO2 source (while it lasts, after that I'll use a yeast recipe), and Flourish as my trace source.

I currently have a pound of KNO3 and KH2PO4. After reading a lot now I'm confused on how to dose all of these.

Seachem's products have dosing instructions, but although I added 2.5 ml of Excel, my drop checker is still blue after 2 hours.

Regarding the KNO3 and KH2PO4 how should I proceed? The packages come with instructions on how to prepare the solutions.

1 ml of the KNO3 solution will raise nitrates by 1mg/l in a 10 gallon tank. Also, after 5mg/l of nitrates have been added, potassium will raise by 3mg/l.

So if I add 5 ml of this solution, do I get 5mg/l of nitrates and 3mg/l of potassium in a 10 gallon tank? Do I get the same mg/l if I add the 5ml to my 5.5 gallon tank?

1 ml of KH2PO4 solution will raise phosphate by 0.54mg/l in a 10 gallon tank. Same question. If I add that 1 ml to my 5.5G, do I get the same 0.54mg/l of phosphate?

Do I dose 10ml of KNO3 solution twice a week to get 20 mg/l or should I dose 20ml after each water change? What about KH2PO4?

If I prepare 1 liter of each solution and don't use them all, do they go bad? Do I still need root tabs? Which would you recommend?

Thanks
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post #2 of 6 (permalink) Old 02-23-2010, 06:19 PM
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20~40gal
50% H20 change-weekly
1/4 Tsp-KN03 3x a week
1/16 Tsp-KH2P04 3x aweek
1/2 Tsp-GH booster once a week
5ml or 1/16Tsp-Trace 3x a week
Optional
1-2ml-Fe/Iron 3x a week

divide accordingly and get 1 of these: http://www.amazon.com/Pinch-Dash-Smi...6952597&sr=8-3

pinch, dash & smidgen are 1/8, 1/16 & 1/32 tsp

easy as pie!
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post #3 of 6 (permalink) Old 02-23-2010, 06:36 PM
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Excel won't have any effect on your drop checker....

Fluval Spec III Shelf!

Quote:
Originally Posted by cdwill View Post
"C'mon, they're just plants, man, no big deal -- try some"
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post #4 of 6 (permalink) Old 02-23-2010, 06:40 PM Thread Starter
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Quote:
Originally Posted by Craigthor View Post
Excel won't have any effect on your drop checker....
should have known better...
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post #5 of 6 (permalink) Old 02-23-2010, 06:42 PM
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Quote:
Originally Posted by rvel View Post
should have known better...
It all comes wiht time adn experience and I'm far from fully knowledgeable.

I woudl however consider setting up your DIY Co2 method now versus later that way you can save the excel if you need to spot treat algae or for an extra boost in the tank.

Craig

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Quote:
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"C'mon, they're just plants, man, no big deal -- try some"
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post #6 of 6 (permalink) Old 02-23-2010, 11:47 PM Thread Starter
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Quote:
Originally Posted by leemacnyc View Post
20~40gal
50% H20 change-weekly
1/4 Tsp-KN03 3x a week
1/16 Tsp-KH2P04 3x aweek
1/2 Tsp-GH booster once a week
5ml or 1/16Tsp-Trace 3x a week
Optional
1-2ml-Fe/Iron 3x a week
I found this:

10- 20 Gallon Aquariums
+/- 1/8 tsp KNO3 (N) 3x a week
+/- 1/32 tsp KH2PO4 (P) 3x a week
+/- 1/32 tsp K2SO4 (K) 3x a week
+/- 1/32 tsp (2ml) Trace Elements 3x a week
50% weekly water change

So, do I cut this in half for 5.5 gallons and in half again if I keep using excel? What if I not dosing K2SO4 or adding fluorish instead of dry traces? Wouldn't this spoil the whole point about EI?
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