Weekly EI dosing - The Planted Tank Forum
 
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post #1 of 8 (permalink) Old 03-02-2013, 08:56 PM Thread Starter
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Weekly EI dosing

I would like to buy a http://www.amazon.com/gp/product/B001QC31G6/ref=ox_sc_act_title_1?ie=UTF8&psc=1&smid=ATVPDKIKX0DER, treat it with EI fertilizers, GH booster, Seachem Prime/Excel and then perform weekly 50% water changes on my 7.5 gallon Mr. Aqua cube for two weeks from that reserve. I'm not sure on the dosages below. Let me know if this is a garbage idea or if I just need to adjust my numbers.

Seachem Prime
1 mL

Flourish Excel
5 mL

Potassium Nitrate (KNO3)
432 mg

Monopotassium Phosphate (KH2PO4)
37 mg

GH booster (3 parts KS2O4, 3 parts CaSO4 and 1 part MgSO4)
I Don't know, my tap water GH is 161.1 ppm according to the API test.
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post #2 of 8 (permalink) Old 03-03-2013, 01:15 AM
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What lighting do you have on that tank? If you have low light you might not need to dose the water at all, especially if you use substrate fertilizing. If you have high light you may want to fertilize more often than once a week.

Hoppy
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post #3 of 8 (permalink) Old 03-03-2013, 03:10 AM
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If you split the dosing into 2-3 equal parts, this will be better generally.

Light, sediment, CO2 etc, you need to mention the details there, those are more important that the ferts.

So perhaps 2x a week, 25-33% ranges might be better.
Certainly would do well




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post #4 of 8 (permalink) Old 03-03-2013, 04:18 AM Thread Starter
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Sorry, here are more detailed specs:

Light
Finnex Ray2 12"
Plan to have it on 4 hours in the morning, siesta 4 hours and back on 4 hours in the evening.

CO2
None, low-tech for now.

Filter
AquaClear 20

Heater
25W Eheim Jager at 80 Fahrenheit.

Substrate & Decor
Eco-Complete, Malaysian driftwood and Seiryu stone.

Fauna
One male Betta (unpurchased) and maybe some ghost shrimp and a snail.

Flora
Undecided, most likely moss and smaller less leafy plants.

I appreciate the feedback from 2 gurus! Perhaps, what I thought would be an easier solution is not ideal. Maybe using a 32 oz dosing bottle for fertilizers/Excel on Tuesday and Thursday, then do GH booster/Prime + fertilizers/Excel + 50% water change on Saturday. I guess that isn't really much more work.
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post #5 of 8 (permalink) Old 03-03-2013, 04:50 AM
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EI is not appropriate for a non CO2 tank, you need to modify it:

http://www.barrreport.com/showthread...on-CO2-methods

You may use that approach, or alternatively, the Diana Walstad approach or a mix of both.

These work well.

You can likely add 2-3x as much ferts as the non CO2 approach suggest IF.............you add Excel DAILY at 3 mls.




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Tom Barr
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post #6 of 8 (permalink) Old 03-03-2013, 03:02 PM Thread Starter
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Thanks for the great read! I'm sorry for the major hand holding and appreciate all the help.

The dosing quantities provided in your post are for a 20 gallon tank which is under 3x my own. For ease of calculation I will say 2x. Going back to my original idea of using a 7 gallon container to prepare 2x weekly 50% water changes on the 7.5 gallon tank. Can I simply use your original numbers?

KNO3
1/8 teaspoon

KH2PO4
1/32 teaspoon

GH Booster
1/4 teaspoon (In place of Equilibrium?)

Seachem Prime
1 mL

Flourish Excel
5 mL

Should I still dose 1 mL of Excel daily under this routine? Thanks again!
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post #7 of 8 (permalink) Old 03-03-2013, 03:48 PM
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With that Finnex light you will have low to low medium light if you keep it at least 12 inches from the substrate. With that you can do without CO2, even though CO2 will always help the plants grow better. I don't think you could avoid algae problems unless you also dose Excel daily. Be sure to get the 7000K version of the Finnex light, not the one with actinic LEDs.

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post #8 of 8 (permalink) Old 03-03-2013, 05:51 PM Thread Starter
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Okay, thanks Hoppy!
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