Need a math wizard! Dosing solution Excel
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11-20-2013, 12:16 AM   #1
livebearerlove
Algae Grower

Join Date: Aug 2013
Location: Hong Kong
Posts: 135

# Need a math wizard! Dosing solution Excel

Dosing Flourish Excel

Says 1 capful for every 200L every other day.
Ok, so my tank is 5 gal (actually 6 gal but heavily planted).

I was hoping that I could use a 1/4 teaspoon as a dosing with diluted excel.
I have a bottle here that is 1.5L which is manageable to use to pour.

I came up with a couple options, but im not sure if this could possibly be right. Seems extremely complicated

Any math wiz wanna take this for a spin?

 11-20-2013, 12:55 AM #2 PlantedRich Planted Tank Guru     PTrader: (2/100%) Join Date: Jul 2010 Location: Pflugerville, Tx Posts: 5,882 Not me! I'm not a math expert but since it starts out as an estimate at best, you may have already over thunk it way back! Since it all requires a balance between lights, plants, and CO2 as well as the ferts, there really is not going to be a precise correct answer. Shoot for close and adjust as needed!
 11-20-2013, 01:54 AM #3 xmas_one Planted Tank Guru     PTrader: (18/100%) Join Date: Feb 2010 Location: Long Beach, CA Posts: 3,332 5ml for 200L is roughly... 5ml for 50gallons.... 1ml for 10g.... so 0.5ml for 5gallons... But, most people double that dosage, so you would go 1ml for your 5gallon tank. __________________
11-20-2013, 02:00 AM   #4
livebearerlove
Algae Grower

Join Date: Aug 2013
Location: Hong Kong
Posts: 135

Quote:
 Originally Posted by xmas_one 5ml for 200L is roughly... 5ml for 50gallons.... 1ml for 10g.... so 0.5ml for 5gallons... But, most people double that dosage, so you would go 1ml for your 5gallon tank.
Every other day? That seems so high.
I was putting it in an eye dropper, and added one drop every other day.

I have noticed some 'bubbles' at the top of the tank. I have a fluval edge (with the glass top). and the extra bubbles are annoying. Could the excel be causing this?

How do you know when you are overdosing?

 11-20-2013, 05:57 AM #5 dzega Planted Tank Enthusiast   PTrader: (0/0%) Join Date: Apr 2013 Location: Latvia, EU Posts: 735 i did 1ml in 30L/8gal every day medium planted
11-20-2013, 06:16 AM   #6
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Quote:
 Originally Posted by livebearerlove Every other day? That seems so high. I was putting it in an eye dropper, and added one drop every other day. I have noticed some 'bubbles' at the top of the tank. I have a fluval edge (with the glass top). and the extra bubbles are annoying. Could the excel be causing this? How do you know when you are overdosing?
One drop is usually estimated to be about 100 microlitres (of course, this depends on drop size, but it is a rough estimate).

You are nowhere near the recommended dosage of Excel. In addition, you should be adding it daily.

The bubbles that you are noticing at the top of your water surface are not due to Excel; perhaps you have a protein scum forming, which is allowing the bubbles to persist?
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11-20-2013, 07:22 AM   #7
urbach
Planted Member

Join Date: Apr 2009
Location: Singapore, indonesia
Posts: 188

Quote:
 Originally Posted by xmas_one 5ml for 200L is roughly... 5ml for 50gallons.... 1ml for 10g.... so 0.5ml for 5gallons... But, most people double that dosage, so you would go 1ml for your 5gallon tank.
These are correct. You should dose everyday especially when you are heavily planted. Your dosing no where near recommended dosage. Excel only lasted 24hrs. Over dosing will cause fishes gasping for air on top of your tank.

 11-20-2013, 11:03 PM #8 Jeppedy Guest   Posts: n/a At the advice of experts here, I've been dosing 15ml per day in my heavily planted 55gal. Plants still growing great over a year later.
 11-20-2013, 11:27 PM #9 livebearerlove Algae Grower     PTrader: (0/0%) Join Date: Aug 2013 Location: Hong Kong Posts: 135 hmmm. This is what I am talking about. Forms on the closed top against the glass in front of the filter
 11-21-2013, 02:07 AM #10 aquarist Wannabe Guru     PTrader: (25/100%) Join Date: Aug 2012 Location: Raleigh, NC Posts: 1,436 Need a math wizard! Dosing solution Excel I agree with the above .5 ml is the recommended dose, I however have been using 1.5ml in a roughly 7 gallon tank with good results. It's an extra ten gallon aquarium I use to grow out cuttings, but when it's all said and done it really only holds 7-8 gallons.
11-21-2013, 08:29 AM   #11
urbach
Planted Member

Join Date: Apr 2009
Location: Singapore, indonesia
Posts: 188

Quote:
 Originally Posted by livebearerlove hmmm. This is what I am talking about. Forms on the closed top against the glass in front of the filter
That a lots of bubbles but excel won't create bubbles. Something in your tank did that. Are you using HOB? Is your Outflow splashing into rocks or DW? Observe the tank. Done 30-50% weekly water change?

11-21-2013, 02:20 PM   #12
livebearerlove
Algae Grower

Join Date: Aug 2013
Location: Hong Kong
Posts: 135

Quote:
 Originally Posted by urbach That a lots of bubbles but excel won't create bubbles. Something in your tank did that. Are you using HOB? Is your Outflow splashing into rocks or DW? Observe the tank. Done 30-50% weekly water change?
I do a 20% water change weekly.

I recently actually did a 60-70% water change. Same thing with the bubbles.

I do have a Hang on Back filter, came with the tank (6 gal fluval).
I noticed that there are also bubbles on the moss tree. Always were a couple, but they seem to really be stacking up now.

Should I turn the filter down?

 11-21-2013, 02:41 PM #13 Aqualady Planted Tank Enthusiast     PTrader: (2/100%) Join Date: Jan 2013 Location: Tulsa, Oklahoma Posts: 820 I use 1ml daily in my 5g bow front RCS tank. My plants are 1 pretty java fern lace and 60% of ground is covered in riccia. Actually, since I started using 1ml, instead of .5ml my tank has been free of algae.
11-22-2013, 06:24 AM   #14
urbach
Planted Member

Join Date: Apr 2009
Location: Singapore, indonesia
Posts: 188

Quote:
 Originally Posted by livebearerlove I do a 20% water change weekly. I recently actually did a 60-70% water change. Same thing with the bubbles. I do have a Hang on Back filter, came with the tank (6 gal fluval). I noticed that there are also bubbles on the moss tree. Always were a couple, but they seem to really be stacking up now. Should I turn the filter down?
Best not to. Try to reposition your HOB. Is the rock in front of the filter blocking the outflow from the filter?

Quote:
 Originally Posted by Aqualady I use 1ml daily in my 5g bow front RCS tank. My plants are 1 pretty java fern lace and 60% of ground is covered in riccia. Actually, since I started using 1ml, instead of .5ml my tank has been free of algae.
Correct, excel do act as algae control. I too supplement my canister co2 with excel daily. Good stuff.

11-22-2013, 01:35 PM   #15
Zorfox
Wannabe Guru

Join Date: Jun 2012
Location: Gainesville, FL
Posts: 1,727

Quote:
 Originally Posted by xmas_one 5ml for 200L is roughly... 5ml for 50gallons.... 1ml for 10g.... so 0.5ml for 5gallons... But, most people double that dosage, so you would go 1ml for your 5gallon tank.
Agreed

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