Mixing chemicals- Xcel and Thrive - The Planted Tank Forum
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post #1 of 5 (permalink) Old 08-06-2019, 06:04 PM Thread Starter
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Mixing chemicals- Xcel and Thrive

Summary version- can I mix (Excek and Thrive C) in a glass tinser?? (amber glass with glass eye dropper)... ill explain below:


I have been assisting in a fun project for children (8-10 yrs) to become more self aware, reliant and gain a bigger interest in science. Fish are technically a unique blend of chemistry and biology. Some of the students excelled, and therefore are going to keep the tanks; inevitably they will require help from their parents. I am seeking to 'simplify' the ferts of their small (1-2gal- fully cycled.. which hold a couple endler fry and live plants.. easy level plants- but still).



My question is: Excel mixed with a bit of Thrive C (which I know has more carbon than most) for simpler instruction. or will the concentrated amount of the two interact? My gut says It will be fine- but im hoping for further confirmation.



Any and all info, opinions is appreciated!!!!!

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post #2 of 5 (permalink) Old 08-07-2019, 07:45 AM
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Excel is an organic acid. So if your water and fertilizer has any KH in it the two will likely react. The resulting salt may still have much of the carbon but likely will not have an acidic PH or algae killing properties of excel. So it might not be as effective. There may other actions between the micros and macros with Excel but I don't know what those may be.

At one time I did mix excel with a NPK solution to simplify my dosing. And also thought it would help prevent mold or bacterial growth in the bottle. I didn't see anything to suggest a chemical reaction in the bottle. However after one test gave me a questionable reading (possibly a regent problem). I figured there would be not be any harm dosing a bit more. Well the next day I realize I have exceeded the dosage recommendation on the bottle. So it was too late to do anything. I didn't loss any animals but the plants apparently didn't like it.

So based on my experience I would not mix excel with the fertilizers.
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post #3 of 5 (permalink) Old 08-07-2019, 03:31 PM
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I am a big proponent of glut (Excel), but I would advise against using it as you plan. It is only safe if handled properly and putting it into the hands of children is not a good idea.
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post #4 of 5 (permalink) Old 08-08-2019, 04:47 PM Thread Starter
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Quote:
Originally Posted by Deanna View Post
I am a big proponent of glut (Excel), but I would advise against using it as you plan. It is only safe if handled properly and putting it into the hands of children is not a good idea.
The children would not be using it.. the parents would be... as two drop a day keeps the icky away.

Im curious it if would be stable premixed in a amber glass bottle with glass dropper.
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post #5 of 5 (permalink) Old 08-08-2019, 05:48 PM
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The children would not be using it.. the parents would be... as two drop a day keeps the icky away.

Im curious it if would be stable premixed in a amber glass bottle with glass dropper.
Seachem claims that Excel does not expire when used neat. Metricide, on the other hand, does have an expiration. Excel is often used as a fungus/mold inhibiting additive to our fertilizer mixes.

Why not put it in a plastic opaque bottle? Then there is no risk of breakage. You can get a hundred plastic pipettes/droppers for <10 dollars. I've also used pump bottles, where you can get a reliable 2.5ml dose with each pump (Excel can be diluted with RO/distilled water). These are also very inexpensive.
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