EI fertz and smaller water changes - The Planted Tank Forum
 
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post #1 of 4 (permalink) Old 05-02-2013, 12:53 PM Thread Starter
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Question EI fertz and smaller water changes

Is it possible to design an effective EI dosing regimen in which you perform a 25% water change twice a week instead of 50% once a week?

55g: Finnex Planted+ and MonsterRay, Pressurized CO2 w/ Atomic inline diffuser, Eheim 2217, Eco-Complete, EI ferts. Lemon, Glowlight, and Black Neon Tetras; Harlequin Rasboras; Otos. Staurogyne repens, Hygrophila corymbosa, Ludwigia repens, Ludwigia glandulosa, Red Melon Sword, Wisteria, Water Sprite.

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post #2 of 4 (permalink) Old 05-02-2013, 01:06 PM
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you could always dial back the amounts you dose.

but exactly by what amount depends on trial and error and observations of your plants
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post #3 of 4 (permalink) Old 05-02-2013, 04:07 PM
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Quote:
Originally Posted by Smeagol View Post
Is it possible to design an effective EI dosing regimen in which you perform a 25% water change twice a week instead of 50% once a week?
Yes. The trough and peak will be very close to 50% WC once a week, yet not as stable. You can model the dosing regime here, http://rota.la/ei/. It'll make sense to you after you play around with this.
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post #4 of 4 (permalink) Old 05-03-2013, 02:02 AM Thread Starter
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Very interesting. Thanks!

55g: Finnex Planted+ and MonsterRay, Pressurized CO2 w/ Atomic inline diffuser, Eheim 2217, Eco-Complete, EI ferts. Lemon, Glowlight, and Black Neon Tetras; Harlequin Rasboras; Otos. Staurogyne repens, Hygrophila corymbosa, Ludwigia repens, Ludwigia glandulosa, Red Melon Sword, Wisteria, Water Sprite.

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