Overdose Course Of Treatment - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 22 Old 10-25-2012, 01:14 AM Thread Starter
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Overdose Course Of Treatment

I accidently overdosed my tank for a number of weeks with Seachem Flourish Comprehensive and I wanted to get some input on how I'm doing treating it.

I have added no fertilizer since I found out about this. Did 2 50% water changes over the past 2 weeks. I plan to do one 50% tomorrow and another on Saturday, and I will then resume dosing at the right dose. I also plan to dilute the Flourish Comprehensive with distilled water to a point where it's easier to measure for my 10g tank.

I have had a case of Hair Algae but it looks like it's getiing better, less mass. The plants are perking up too. The sword has put up 3 new leaves in the past couple of weeks. Very different.

Thanks for any comments.
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post #2 of 22 Old 10-25-2012, 03:16 AM
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You do not have to dilute the Flourish Comprehensive and it may not be recommended by Seachem. The rate of application is 5ml per 60 gallons; which is 0.083 ml per gallon X 10 gallons = 0.83 ml as your correct dose. The easiest way to measure the dose is to use a baby syringe. Look at the increments on the syringe. It is marked in ml with five increments for each ml. This is the type I see in the drug chains and supermarkets.
The fourth increment represents 0.80 ml which is close enough for your dose. ( IF-SEE BELOW ).

Seachem recommends that when dosing, use the tank volume and not its rated capacity.
If you measure your inside tank dimensions from the waterline to the surface of your substrate;
(length X width X Height in inches) will give you the cubic inch area. Divide that by 231 will give you the volume in gallons.
You now have the true tank volume to dose accurately.

You did the right thing with water changes.
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post #3 of 22 Old 10-25-2012, 07:35 AM
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I seem to remember reading from one of our well respected members that he uses well over the suggested dosage in his ten gallon tank. Just mentioning this to try to alleviate concern. If the animals are OK, it's probably no harm, no foul.

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post #4 of 22 Old 10-25-2012, 10:55 AM
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That may be but not all tanks are the same. Some plants use more fertilizer, some less. Its most likely due to their growth rate and size. I believe that is why Seachems instructions say 5 ml per 60 gallons once or twice a week. The poster says he/her overdosed. My reply will put him/her back on track. Then experience will determine whether to increase or decrease the dose.
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post #5 of 22 Old 10-25-2012, 11:07 AM
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Don't know if I am the member you're thinking of, but I certainly overdose my 10g. I dose Flourish twice weekly now, and in the 10g it is about 1/2 a teaspoon each dose, not quite level. I have two 10w CFL Daylight bulbs over this tank for 8 hours, and it is full of moss on wood, a few pygmy swords, and a floating Water Sprite. Problem algae is non-existant in this tank. Fish are only 3 Farlowella fry at present, so common algae would be welcomed for them.

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 youíre going to take it under your wing then youíre 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 #6 of 22 Old 10-25-2012, 01:31 PM
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Quote:
Originally Posted by Byron View Post
Don't know if I am the member you're thinking of, but I certainly overdose my 10g. I dose Flourish twice weekly now, and in the 10g it is about 1/2 a teaspoon each dose, not quite level. I have two 10w CFL Daylight bulbs over this tank for 8 hours, and it is full of moss on wood, a few pygmy swords, and a floating Water Sprite. Problem algae is non-existant in this tank. Fish are only 3 Farlowella fry at present, so common algae would be welcomed for them.

Byron.
Since you brought it up, you are the member I was thinking of, Byron

My reply was not intended to contradict anyone. I just meant to help alleviate any unnecessary anxiety over the situation.

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post #7 of 22 Old 10-25-2012, 02:50 PM
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Originally Posted by fish monger View Post
Since you brought it up, you are the member I was thinking of, Byron

My reply was not intended to contradict anyone. I just meant to help alleviate any unnecessary anxiety over the situation.
That's understood. I chimed in as I agree. Within reason, no harm will occur. B.
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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 youíre going to take it under your wing then youíre 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 #8 of 22 Old 10-25-2012, 03:37 PM Thread Starter
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I just wanted to state how much I overdosed the tank. The directions on the Flourish Comprehensive bottle are 2.5 ml (1/2 capful/ 1/2 teaspoon) per 30 gallons once or twice a week. I am dosing a 10 gallon tank. I was dosing 1/2 teaspoon twice a week. So, at 30 gallons / 10 gallons, I was overdosing 300% per week for a long time.

I have 2 13w daylight CFLs over my tank, plenty of energy for my plants and the algae as well with all the fertilizer floating around. I know 2 13s may sound like a lot, but another member does the same thing with no algae. Unfortunately, I thought the algae was because of too much light and bought 4 10w CFLs. I also have a question in to Seachem about diluting Flourish Comprehensive by 3 with distilled water so it will be easier to dose.

Last edited by equatics; 10-25-2012 at 03:40 PM.
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post #9 of 22 Old 10-25-2012, 06:15 PM
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Quote:
Originally Posted by Nemo the Clownfish View Post
I just wanted to state how much I overdosed the tank. The directions on the Flourish Comprehensive bottle are 2.5 ml (1/2 capful/ 1/2 teaspoon) per 30 gallons once or twice a week. I am dosing a 10 gallon tank. I was dosing 1/2 teaspoon twice a week. So, at 30 gallons / 10 gallons, I was overdosing 300% per week for a long time.

I have 2 13w daylight CFLs over my tank, plenty of energy for my plants and the algae as well with all the fertilizer floating around. I know 2 13s may sound like a lot, but another member does the same thing with no algae. Unfortunately, I thought the algae was because of too much light and bought 4 10w CFLs. I also have a question in to Seachem about diluting Flourish Comprehensive by 3 with distilled water so it will be easier to dose.
This is not a problem, I mentioned that I put in 1/2 teaspoon twice a week.

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 youíre going to take it under your wing then youíre 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 #10 of 22 Old 10-26-2012, 05:17 AM
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Byron,
I am glad that Nemo started this thread because I believe that there is another Seachem product that determines whether one should increase the recommended dose of Flourish Comprehensive. The product is "Prime". For those of us who use this product may have overlooked that Prime de-toxifys heavy metals. Some of the ingrediants in Flourish are heavy metals.
So the questions are:
Can plants still use de-toxifyed metals? Yes/No or to what degree?
Is this the reason Seachem manufacturers other supplements like iron and trace elements to name two?
How can Flourish be a complete fertilizer if a fishkeeper uses Prime that affects the heavy metals that are listed in the Flourish?
Why does their Trace elements have more ingrediants then those listed in Flourish?
So this may be a reason why one needs to add a higher dosage beyond the recommendation or to use their Iron supplement and Trace elements to compensate.
I will contact Seachem with these questions. Your thoughts?
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