Confused with fertilizers. - The Planted Tank Forum
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post #1 of 4 (permalink) Old 07-29-2020, 03:27 PM Thread Starter
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Confused with fertilizers.

Recently set up a 90g. It’s my first serious planted aquarium. Looking at options on fertilizers and I’m a bit lost. I ordered the 300 ml bottles of the ADA green Brighty series but if I dose according to their instructions I’ll be going through the bottles like every 2 weeks. Does that sound right? Seems to be extremely costly since their are 4 bottles to be dosed. Is their an easier option? I really wanted to go with the Green Aqua macro and micro but they don’t ship to the US. Is there a something available in the US that is similar? I like the idea of adding a few pumps per day of two fert’s and being done with it. Thanks for any help.
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post #2 of 4 (permalink) Old 07-29-2020, 05:07 PM
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What kind of substrate are you using? Co2? Lights?

With 90 gallons, yea dosing is going to be expensive. I have no found any liquid ferts to be more cost effective. The manufacturers want to make money so maybe experiment a little? You could probably get away with 75% of the recommendation.

Personally I use an inert substrate and find root tabs to be more cost effective.

However, while I don’t like mixing substrates, you could always layer yours with soil.
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post #3 of 4 (permalink) Old 07-29-2020, 05:18 PM Thread Starter
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I have Amazonia for the soil. With CO2. Pretty heavily planted. I have a mix of stem plants, Monte Carlo, then a bunch of Anubia and Bucephalandra. Also a few random midground plants and mosses. I’m thinking about giving this a try when I run out of the ADA stuff. Much more cost effective and seems pretty hard to screw up. The 1000ml bottle would last around 3 months so that’s not bad. With ADA it would cost me about $120 a month unless I a missing something on the dosages.
https://www.advancedplantedtank.com/...rtilizer-500ml
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post #4 of 4 (permalink) Old 07-29-2020, 06:25 PM
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The most cost effective is using dry ferts. I just buys the salts online use the rotala butterfly calculator to do my dosing. The alternative is to buy salts and make your own solution.
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“Science, my lad, is made up of mistakes, but they are mistakes which it is useful to make, because they lead little by little to the truth.” -Jules Verne
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