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Reddit mentions of Seachem Flourish Excel Bioavailable Carbon - Organic Carbon Source for Aquatic Plants 250 ml

Sentiment score: 2
Reddit mentions: 4

We found 4 Reddit mentions of Seachem Flourish Excel Bioavailable Carbon - Organic Carbon Source for Aquatic Plants 250 ml. Here are the top ones.

Seachem Flourish Excel Bioavailable Carbon - Organic Carbon Source for Aquatic Plants 250 ml
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CARBON PRODUCTION: All plants require a source of carbon, and Flourish Excel is a great and convenient source of bioavailable organic carbon.IRON PRODUCTION: Flourish Excel also possesses iron reducing properties, thus promoting the ferrous state of iron (Fe+2), which is more easily utilized by plants than ferric iron (Fe+3).PHOTOSYNTHESIS: Plants must produce longer chain carbon compounds (photosynthetic intermediates). By dosing with Flourish Excel you bypass the involvement of chain carbon compounds, and introduce the already finished, structurally similar compounds.TREATMENT: On initial use or after a major (> 40%) water change, use 1 capful of Flourish Excel (5 mL) for every 40 L (10 US gallons). Thereafter, use 1 capful for every 200 L (50 US gallons) daily or every other day. For smaller dosing please note that each cap thread is approximately 1 mL.SAFETY: Flourish Excel is completely safe for fish, however if you have Anacharis in an aquarium in which you are dosing Flourish Excel, then it is recommended to use it every other day rather than daily.
Specs:
Height2.2 Inches
Length4.9 Inches
Number of items1
Size250 ml
Weight0.55 Pounds
Width2.4 Inches

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Found 4 comments on Seachem Flourish Excel Bioavailable Carbon - Organic Carbon Source for Aquatic Plants 250 ml:

u/TsunamiBob · 3 pointsr/Aquariums

Glutaraldehyde is used in industry as a biocide so it's literally a poison to everything from viruses to mammals. It's one of the chemicals injected during fracking to control growth of microorganisms. It's used in pulp processing to control growth of microorganisms. It's used in hospitals to sanitize things such as endoscopes. It's been studied several times as a candidate toxin to poison any hitchhiking aquatic organisms (plankton, algae, seaweed, invertebrates, and fish) in the ballast water of ships.

http://i.imgur.com/MQEf9Xv.png

There's probably a dosage low enough that no fish in any aquarium will be killed or injured. That dosage is almost certainly well below the recommended dosage. People using the recommended dosage or less have had fish in respiratory distress and even mass deaths.

It's not possible to predict when glutaraldehyde will kill fish. All that's known is that it's more toxic at higher temperatures and in environments with fewer microorganisms and organic compounds. Sulfur compounds similar to dechlorinators are used to neutralize glutaraldehyde so some tanks with residual dechlorinator may be getting what's effectively a lower dose.

https://www.reddit.com/r/Aquariums/comments/5zxynz/help_me_feel_better/

https://www.amazon.com/Seachem-456-Flourish-Excel-250ml/product-reviews/B001EUE6SC

"I keep a detailed tank journal for my 29 gallon planted tank and have had it running for three years. I have tried Seachem Excel on four different occasions over the last six months in an amount less than the recommended dose for my tank size. Without exception, every time I use this product I end up find dead or dying neon tetras in my tank within a week or two of starting the dosage. I have concluded that there could be nothing else causing their deaths. I'm giving this two stars because my plants did respond well to it but whats the point if you kill fish while trying to find the correct dosage. I stopped using this and went to DIY CO2 and fish are healthy and plants are growing like weeds. BE CAREFUL when using this product with neon tetras."

"I've been following the dosage for a 50 gallon tank (I have a 60 gallon). Per the instructions, I added one capful every other day. The first few days I used this, I lost three white clouds and a threadfin rainbowfish. That number increased to four white clouds, two threadfin rainbowfish and a boesemani rainbowfish by the end of the first week. Since those particular fish were fairly new, I wasn't positive that this product was the cause. I stopped using when I bought more fish to try to reduce stress. I put in a capful last night for the first time in two weeks and found two dead white clouds this morning. I'm fairly sure this product is the cause. In the months before using it and during the two week off time, I didn't lose a single fish."

"Used this is my newly planted tank. After dosing correct amount, lost all my mollies! Have 2 cory cats, and they are fine, also my rubbernose plecto survived.One on my mollies was prego, and was excited about having babies. I was on second round of raising frys, but, now I have to start all over. This stuff is not going in my tank! Trial and error, I guess. BIG ERROR on my part. Should have researched a little further. :("

https://www.reddit.com/r/PlantedTank/comments/3xri69/flourish_excel_killing_fish/

"I should have researched this much more before putting it into my tank, but I've been losing fish when I put Flourish Excel in my tank. All my other numbers are great (ammonia, nitrites, nitrates, ph is good), and my tank was nice and healthy. Then I put Flourish (comp) in my tank, and all was good. A few days later, I started adding Flourish Excel (slightly under the recommended dose). Overnight, I lost 2 shrimp and 2 neon tetras. I immediately tested my water to see if anything else was up, and all numbers were great. I thought maybe I'd gotten some sick fish, since the tetras were only in my tank for about a week before adding anything, and since most of what I'd read online said Excel was safe for fish as long as you're within the recommended dosage, I figured it had to be something else. The next day, I put in about 3/4 of a single dose of excel. Lost another fish that night.
So I stopped putting Excel in my tank for about 4 days, and all my fish were fine. I put in 1/2 of a dose the next day (1/2 capful, 60gal tank), and sure enough I lost another shrimp and 2 more neon tetras. Skipped the dose yesterday and today, and no lives lost.
I won't be putting Excel in my tank again, unless the rest of my fish die. I mean, if it's going to kill off any animals in my tank, might as well go for the gold if it's empty, right?"

http://www.fishlore.com/fishforum/aquarium-plants/99773-flourish-excel-sensitive-fish-like-cardinals.html

"I was dosing excel the first 6 months I had my tank and my cardinals kept dying one by one. It took me a while to put 2 and 2 together but when I quit using the excel the mysterious deaths stopped. I still believe the deaths were a result of using it though only a handful of people seem to have the same idea. In the end whether it actually was or was not the excel that caused the deaths, excel is Glutaraldehyde, which is a disinfectant used in hospitals. It just didnt seem natural to me to use it. I feel better even if the fish didnt care...lol
I still keep it on hand to kill algae that pop up on rocks ( I remove them from the tank before using it)

EDIT- after dropping excel, I began using DIY CO2 which I used for awhile and had decent success with. I now use pressurized Co2 and absolutely love it."

I have many more accounts such as these.

u/AquaticRick · 2 pointsr/BuildMyTank

You can use liquid co2 much cheaper entry than a pressurized setup, but daily dosing.

http://www.amazon.com/Seachem-116045605-Flourish-Excel-250ml/dp/B001EUE6SC

u/Wakenbake585 · 1 pointr/Aquariums

Seachem Excel. It's liquid carbon. Amazon, you can spot treat with a pipette.