EI Dosing and Seachem Products - The Planted Tank Forum
 
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post #1 of 10 (permalink) Old 10-13-2015, 05:45 PM Thread Starter
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EI Dosing and Seachem Products

Hi all,

I'm in the process of setting up a tank with higher light and pressurized CO2. I've read a few EI dosing threads, and they're all focused on using dry ferts/making a liquid solution with dry ferts. I live in Canada and potassium nitrate is a controlled chemical. My only means of buying it is through online vendors and they require a copy of my ID....not comfortable giving them that.

Has anyone done EI with Seachems line of flourish products? They have nitrogen, potassium, phosphorous and a trace solution. How much would I need to dose to follow EI? My tank is 32 gallons. I don't want an excessive amount of growth because I don't want to be doing endless maintenance.

Also, after reading this thread:

https://www.plantedtank.net/forums/11...n-recipes.html

I don't understand what is intended by the headings. For example, the one that would most apply to me is:

10ml/29 Gallons

KNO3 67.123 gm (approximately 13 teaspoons)
KH2PO4 10.224 gm (approximately 1 3/4 teaspoons)
Plantex CSM+B 42.028 gm (approximately 9 3/4
Optional: K2SO4 26.91 gm (approximately 4 1/4 teaspoons)

What's the 10mL? Is that 10mL of each individual solution that was made up of dry fertilizers?

Thanks for the help.
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post #2 of 10 (permalink) Old 10-13-2015, 05:56 PM
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I would really suggest going with The PlantGuy- Canadian Aquarium Plants

Yes they require ID to get the kno3 but they are very respected, I personally would have no issue giving them a copy of my ID.

You can dose EI using Seachem but its going to get very expensive. For example to get EI levels of N you would need to dose 13ml nitrogen 3x per week, and for seachem phosphorus you would need to dose 39ml 3x per week.
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post #3 of 10 (permalink) Old 10-13-2015, 05:56 PM
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The plant guy in Winnipeg is where I order all my stuff from... Plants, Ferts. He's very reputable and that copy of your liscence will be in good hands.

The amount of seachem products you'd have to dose to get the effect of EI, is not worth the money.
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post #4 of 10 (permalink) Old 10-13-2015, 06:36 PM Thread Starter
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Quote:
Originally Posted by nilocg View Post
I would really suggest going with The PlantGuy- Canadian Aquarium Plants

Yes they require ID to get the kno3 but they are very respected, I personally would have no issue giving them a copy of my ID.

You can dose EI using Seachem but its going to get very expensive. For example to get EI levels of N you would need to dose 13ml nitrogen 3x per week, and for seachem phosphorus you would need to dose 39ml 3x per week.
Literally just ordered from him a few weeks ago. I guess I gotta pay the shipping again. Where did you get those numbers from?

Quote:
Originally Posted by WickedOdie View Post
The plant guy in Winnipeg is where I order all my stuff from... Plants, Ferts. He's very reputable and that copy of your liscence will be in good hands.

The amount of seachem products you'd have to dose to get the effect of EI, is not worth the money.
I'll likely be going the dry route then I guess. Thanks for the reply.


Can you guys offer an explanation to my question regarding the 10mL in the link I posted?
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post #5 of 10 (permalink) Old 10-13-2015, 06:57 PM
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Yes so you would add those quantities of dry Ferts to 500ml of RO water, then every second day you would add your macros in 10 ml amounts, same with micros. I wouldn't add your micros to your macros bottle, I would do those in a separate bottle. So 3x a week macro, 3x a week micro, alternating days.

Bump: Basically all this does is makes it so you don't have to mix up a batch every day. Youre looking at 50+ doses out of one mixed bottle. All you have to do is measure out that liquid every time it's time to dose.

I would add 10ml Excel to your micros bottle and refrigerate. I heard it tends to mold.
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post #6 of 10 (permalink) Old 10-13-2015, 07:28 PM Thread Starter
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Oh ok. Thank you. How the hell do you stay on top of that if you're at work? Is there a way of doing that without spending tons of money on an auto doser?
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post #7 of 10 (permalink) Old 10-13-2015, 07:32 PM
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As WickedOdie said you would be making a liquid fertilizer in 500ml bottles, you would need two of them:

Bottle #1 macro bottle:
Add
KNO3 67.123 gm (approximately 13 teaspoons)
KH2PO4 10.224 gm (approximately 1 3/4 teaspoons)
Fill to 500ml mark.

Bottle #2 micro bottle:
Add
Plantex CSM+B 42.028 gm (approximately 9 3/4
Fill to 500ml mark.

Adding 10-15ml of excel to the micro bottle will help with molding issues, but when you do this there is no need to refrigerate.

Dosing would be 10ml per 29g 3x per week on alternating days. For example, dose micros MWF and macros Tu,Th,Sat, they a 50% water change is suggested on the 7th days.

Let me know if you have any other questions.

Bump:
Quote:
Originally Posted by GrantF View Post
Oh ok. Thank you. How the hell do you stay on top of that if you're at work? Is there a way of doing that without spending tons of money on an auto doser?
Once you have it mixed, it takes less than 10 seconds a day to dose the tank. If you arent home every day that might make it difficult, but in that case having a high tech tank might not be the best idea.
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post #8 of 10 (permalink) Old 10-13-2015, 07:49 PM Thread Starter
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Thanks for the reply.

I'm home daily, but I wasn't super clear there. Does it matter at what point in the photoperiod cycle that you dose the fertilizers? The photoperiod on my current tank is roughly 1pm to 9pm. I put excel in the tank before I leave for work in the morning (around 8am), but it would be ideal for it to be when the lights come on. Can I do the same for fertilizers?

I assumed that they should be put into the tank when the lights are on, which is why I was thinking I'd need an auto doser. Thinking about it now though that doesn't make sense. CO2 really shouldn't be added until the lights are on, but plants don't "exhale" fertilizers so that issue shouldn't apply.
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post #9 of 10 (permalink) Old 10-13-2015, 07:57 PM
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A few hours before the lights come on is fine. Dosed roughly at the same time every day is ideal.


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post #10 of 10 (permalink) Old 10-13-2015, 07:59 PM Thread Starter
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Awesome. Thank you. You just saved me another $150 on this tank. It adds up quickly when you're buying equipment.
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