Fertilizers that are safe for my fish? - Page 2 - Tropical Fish Keeping - Aquarium fish care and resources
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post #11 of 17 Old 01-22-2013, 12:27 PM
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Plant nutrients occur naturally from the fish food and the fresh water at each water change. Sometimes these natural sources will be sufficient; it depends upon the plant species and number, the GH of the water, the number of fish and feedings.

If you do need to add nutrients--and most of us do because of more plants and/or fast-growing plants that require more nutrients--then a complete or comprehensive supplement is best. Plants require 17 nutrients that have to be somewhat in proportion; too much of some can cause issues in other nutrients.

The Flourish Comprehensive Supplement is a complete nutrient supplement intended for low-tech or natural planted tanks where a minimal supplement is needed, and where tap water is not too soft. Brightwell Aquatics' FlorinMulti is basically identical. As someone mentioned, using these once a week goes a long way, as they are concentrated. A 1/2 teaspoon (2.5 ml) once a week treats a 30 gallon tank. The cost for these is not much when one considers how long they last.

Byron.

Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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post #12 of 17 Old 01-22-2013, 04:17 PM Thread Starter
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Originally Posted by funkman262 View Post
Is there any particular reason why you're wanting to dose ferts? What lights are you using? Have you been having algae problems? Are any of your plants showing symptoms of nutrient deficiency? Those are all low-light plants that should be fine without ferts in a properly stocked tank. I didn't even start dosing ferts until my plants really took off to the point that I was getting a zero nitrate reading on my liquid API test kit (I had soil as a substrate so they were able to survive off of that for quite a while). And since I have a 90g (and I prefer to know exactly what I'm putting in my tank) I opted to buy dry ferts and mix myself, so I'm not very familiar with the pre-made solutions, sorry.
I suppose because this is what I have been told to do haha. The tank is pretty new with not a lot of fish in it (yet). The lighting isn't real strong (and I like the way this looks). Also, I have marbled crayfish in there. I do try to keep them to a low number of about four or so (sell off if I have more than that). The crayfish love to eat the plants and chop them up sometimes so I want to give the plants a fighting chance to live and produce.

funkman262, boredomb, 1077, Abstmind, and Byron, thank you for your input!
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post #13 of 17 Old 01-23-2013, 05:51 AM
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Originally Posted by Hankj View Post
I suppose because this is what I have been told to do haha. The tank is pretty new with not a lot of fish in it (yet). The lighting isn't real strong (and I like the way this looks). Also, I have marbled crayfish in there. I do try to keep them to a low number of about four or so (sell off if I have more than that). The crayfish love to eat the plants and chop them up sometimes so I want to give the plants a fighting chance to live and produce.

funkman262, boredomb, 1077, Abstmind, and Byron, thank you for your input!
No one can tell you or I what nutrient's may be needed in what proportion (Plant's will).
Byron has eluded to the reason's (ie) fish waste,fish food's,plant mass,substrate composistion,CO2 or NON CO2,lighting,source water.
Flourish comprehensive work's for many,I have used it, but observed that the plant's were still stuggling in my tank.
Noted that the large jug of Flourish I bought said..."For macronurient's NPK, please see Seachem's Nitrogen,Phosphorous,Potassium."
I decided to add both the macronutrient's,along with Micro (Flourish) in small increment's until I achieved desired result's. Rather than trying to guess at what nutrient or nutrient's may be missing,I add a little bit of everything.

The most important medication in your fish medicine cabinet is.. Clean water.
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post #14 of 17 Old 01-26-2013, 05:40 PM Thread Starter
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Thanks for all the input guys! I ordered some of the flourish.
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post #15 of 17 Old 01-28-2013, 05:33 PM
I use Flourish twice weekly a 500 ml bottle lasts me 6 months with 120 Gallon aquarium I also use the root tabs a box of 40 last me 8 months I by from pets and ponds online the cheapest around
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post #16 of 17 Old 01-28-2013, 05:34 PM Thread Starter
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Originally Posted by boxercrazy156 View Post
I use Flourish twice weekly a 500 ml bottle lasts me 6 months with 120 Gallon aquarium I also use the root tabs a box of 40 last me 8 months I by from pets and ponds online the cheapest around
Thank you! I just got my order of Flourish in today actually!
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post #17 of 17 Old 01-28-2013, 11:47 PM
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for low tech tanks and a moderate to high fish load, flourish comprehensive (or any trace mixture) will do well. Flourish comprehensive also has a small amount of macros.

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^^ genius
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