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post #1 of 14 (permalink) Old 03-26-2008, 01:21 AM Thread Starter
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Confused with Dosing...Please Help!

I was looking at the sticky of the dosing and I am really confused and hope someone can help me out. I have a 55 gallon tank and my target level is 5ppm and according to the dosing sticky, I should dose 1/2tsp. According to Chuck's Calc. if I dose that, I will be adding 9ppm to my tank on 1 dose!! Also, is this a 1/2tsp 3 times a week for a total of 1 1/2tsp/wk or 1/2tsp spread out over a week?

I have also read that you shouldn't raise the nitrate level to fast or you will kill the fish. Am I just looking at this dosing wrong because I am now really confused.

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post #2 of 14 (permalink) Old 03-26-2008, 02:29 AM
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Fredericktown....near Calcutta?

Well on to your question. If you are dosing E.I. then yes 1/2 tsp 3 times a week. Plus the phosphate which i would guess at 1/8 3 times a week. Sorry but I have not looked at the E.I. suggested dosing chart in quite some time.

Micros on other 3 days a week and w/c on 7th day.

As far adding 9ppm nitrate to tank three times a week being unsafe. Going out on a limb I will say it is fine. I add this much a week without problems some people add less some more I imagine. Nitrate in the form of KNO3 will not harm fish until you reach a really high level. Dosing 30 ppm with a weekly water change of 50 percent will make sure you do not does lethal levels. Nitrate is much more dangerous to fish in different forms such as NH4.

If you have never read Tom Barr's E.I article here is a link for it. The second link is the less technical version.
http://www.barrreport.com/estimative...test-kits.html
http://www.barrreport.com/estimative...chy-folks.html



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post #3 of 14 (permalink) Old 03-26-2008, 02:40 AM Thread Starter
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Not sure where Calcutta is but Fredericktown is located about in the center of the state.

Thanks for the reply. The only thing that concerned me was on Chuck's website he has an article about adding nitrate to a planted tank and he suggested not to increase the levels to fast as this will kill the fish. I have already in the last 2 months lost all my cardinals and rummies due to a bacteria outbreak and don't want to lose my new fish. I am so hesitant to add this much to my tank in one dosing. I ran a test of my nitrates and found them to be 5ppm. Is the target level for a 55 gal 5ppm or is it suppose to be greater?

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post #4 of 14 (permalink) Old 03-26-2008, 02:47 AM
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Here's some numbers and other links about EI.

55g x 85% = 46.75g (estimated gallons of water)

40~60gal
50%H20 change-weekly
+/-1/2Tsp-KN03 3x a week - each dose is 9.01 ppm NO3 and 5.68 ppm K
+/-1/8Tsp-KH2P04 3x a week - each dose is 2.76 ppm PO4 and 1.14 ppm of K
+/-1/8Tsp-K2S04 3x a week
+/-10ml or 1/8Tsp-Trace 3x a week
+/-2-4ml-Fe/Iron 3x a week

From: http://www.barrreport.com/estimative...test-kits.html
Some Typical uptake rates at high light and CO2 levels per day (24 hours):
NO3 1-4 ppm
NH4 0.1-0.6 ppm
PO4 0.2-.06 ppm

From: http://www.barrreport.com/estimative...chy-folks.html
EI target ranges
CO2 range 25-35 ppm
NO3 range 10-30 ppm
K+ range 10-30 ppm
PO4 range 1.0-2.0 ppm
Fe 0.2-0.5ppm or higher
GH range 1-2 degrees "extra" 17-40 ppm or higher

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post #5 of 14 (permalink) Old 03-26-2008, 03:11 AM Thread Starter
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Quote:
Originally Posted by Left C View Post
Here's some numbers and other links about EI.

55g x 85% = 46.75g (estimated gallons of water)

40~60gal
50%H20 change-weekly
+/-1/2Tsp-KN03 3x a week - each dose is 9.01 ppm NO3 and 5.68 ppm K
+/-1/8Tsp-KH2P04 3x a week - each dose is 0.49 ppm PO4 and 0.2 ppm K
+/-1/8Tsp-K2S04 3x a week
+/-10ml or 1/8Tsp-Trace 3x a week
+/-2-4ml-Fe/Iron 3x a week

From: http://www.barrreport.com/estimative...test-kits.html
Some Typical uptake rates at high light and CO2 levels per day (24 hours):
NO3 1-4 ppm
NH4 0.1-0.6 ppm
PO4 0.2-.06 ppm

From: http://www.barrreport.com/estimative...chy-folks.html
EI target ranges
CO2 range 25-35 ppm
NO3 range 10-30 ppm
K+ range 10-30 ppm
PO4 range 1.0-2.0 ppm
Fe 0.2-0.5ppm or higher
GH range 1-2 degrees "extra" 17-40 ppm or higher
How are you coming up with .49ppm of PO4. Chuck's calc says it would be 3.06ppm of PO4 adding 1/8tsp to 47 gallons.

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post #6 of 14 (permalink) Old 03-26-2008, 03:13 AM
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Quote:
Originally Posted by dewalltheway View Post
I was looking at the sticky of the dosing and I am really confused and hope someone can help me out. I have a 55 gallon tank and my target level is 5ppm and according to the dosing sticky, I should dose 1/2tsp. According to Chuck's Calc. if I dose that, I will be adding 9ppm to my tank on 1 dose!! Also, is this a 1/2tsp 3 times a week for a total of 1 1/2tsp/wk or 1/2tsp spread out over a week?

I have also read that you shouldn't raise the nitrate level to fast or you will kill the fish. Am I just looking at this dosing wrong because I am now really confused.
Left C post what you need to dose, same as the sticky.
You will not kill the fish and yes that is 1/2tsp three times a
week for a total of 1-1/2 tsp KN03 weekly.

Don't over complicate it, it is really very simple.

How much light do you have?

Do you have a good filter with media and good flow?

Do you have C02..etc

Chuck's site needs some updates, that is old.



Quote:
Originally Posted by dewalltheway View Post
Not sure where Calcutta is but Fredericktown is located about in the center of the state.

Thanks for the reply. The only thing that concerned me was on Chuck's website he has an article about adding nitrate to a planted tank and he suggested not to increase the levels to fast as this will kill the fish. I have already in the last 2 months lost all my cardinals and rummies due to a bacteria outbreak and don't want to lose my new fish. I am so hesitant to add this much to my tank in one dosing. I ran a test of my nitrates and found them to be 5ppm. Is the target level for a 55 gal 5ppm or is it suppose to be greater?
Chuck's site is old, ignore that, trust us and us only

5ppm isn't squat in a highlight tank

Welcome to TPT

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post #7 of 14 (permalink) Old 03-26-2008, 03:21 AM Thread Starter
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I have a coralife 4X65watt light which I run 1 bank for 12 hours and the other bank comes on for 5 hours within that 12 hour period. I have DIY CO2 with a Fluval 304 filter.

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post #8 of 14 (permalink) Old 03-26-2008, 03:29 AM
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12-hours is to much with pressurized C02, especially
DIY gas.

Preferably 8-hours or less, it will make things a bit
easier for you, and stay on top of the DIY mix,
you will need at least two bottles going.

How are you diffusing C02?

Craig

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post #9 of 14 (permalink) Old 03-26-2008, 03:32 AM Thread Starter
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I have 2 bottles going now.
This is a pic of my setup


Do I run the full lighting for the 8 hours?

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post #10 of 14 (permalink) Old 03-26-2008, 03:37 AM
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Single bank 8-hrs
Dual bank 4~5hrs

You will probably need a bigger filter or keep the
plants pruned down.
All that plumbing has killed the flow.

Nice, neat looking job though.

Craig

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post #11 of 14 (permalink) Old 03-26-2008, 03:48 AM Thread Starter
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I know about the filter. I was going to get a 404 then switched back to a 304. Should have stayed with the 404. I appreciate the help. You can also see my tank journal here.. https://www.plantedtank.net/forums/ph...-gal-tank.html

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post #12 of 14 (permalink) Old 03-26-2008, 04:27 AM
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You're welcome.

If you have or start having 02 issues because of
the continuous non stop DIY mix, add an air stone
at night or raise the spray bar to lightly break the
surface, the reasons are twofold.

1-oxygenate the water.

2-Removes any surface scum for a clean surface
always.

Make it a habit.

I do this every night, its habit like brushing before
bed.

Craig

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post #13 of 14 (permalink) Old 03-26-2008, 04:35 AM
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Quote:
Originally Posted by dewalltheway View Post
How are you coming up with .49ppm of PO4. Chuck's calc says it would be 3.06ppm of PO4 adding 1/8tsp to 47 gallons.
OOPS!

I used the fertilator and I put in 0.125 grams instead of 0.125 teaspoons. It now gives 2.76 ppm PO4 and 1.14 ppm of K for 46.75 gallons of water.

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post #14 of 14 (permalink) Old 03-27-2008, 01:27 AM
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Left C, are you supposed to find the actual amount of water in your tank (minus the substrate and all) by 85%? Like is that the best % to take.

thanks
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