Fert Dosing ... low/med light + excel... full dose or partial smaller doses - The Planted Tank Forum
 
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post #1 of 3 (permalink) Old 10-29-2014, 07:39 PM Thread Starter
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Fert Dosing ... low/med light + excel... full dose or partial smaller doses

Most of the calculators, for low light weekly dosing recommend that the ppm be dosed on weekly basis...would dividing that ppm by 3 and dosing lesser amount on three times during the week to make the full dose a better way to go...OR is it better to just dose the full amount once a week.

For e.g. KN03 for a 29G low light + excel tank comes about 10ppm NO3 which is approximately 9/32-tsp...so is it a better idea to does 9/32-tsp on Monday every week OR dose 3/32-tsp of KNO3 on Monday, Wednesday, and Friday.

Thoughts/ suggestions
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post #2 of 3 (permalink) Old 10-29-2014, 10:53 PM
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Originally Posted by rrattani View Post
Most of the calculators, for low light weekly dosing recommend that the ppm be dosed on weekly basis...would dividing that ppm by 3 and dosing lesser amount on three times during the week to make the full dose a better way to go...OR is it better to just dose the full amount once a week.

For e.g. KN03 for a 29G low light + excel tank comes about 10ppm NO3 which is approximately 9/32-tsp...so is it a better idea to does 9/32-tsp on Monday every week OR dose 3/32-tsp of KNO3 on Monday, Wednesday, and Friday.

Thoughts/ suggestions
I don't think the plants will complain about dosing macros on a weekly basis. I do this on a low tech tank with red cherry shrimp without issues.

There is an advantage of dosing micros three times a week. Many of the elements in the micro fertilizers are chelated to prevent reactions. This means they will degrade over time. Many of them lasting less than 48 hours. I dose micros 3 times a week on the same tank for this reason.
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post #3 of 3 (permalink) Old 10-30-2014, 04:25 PM
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Think about automating the dosing. Container, small water pump, timer with minute precision - perfect daily macro dosing. Same for micros, or, to dispense concentrated macro solutions, use a peristaltic pump instead.

Just having to refill containers once a month makes life so much more enjoyable.


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