Algae Grower

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Question on EI
I'm getting some measuring spoons but the smallest measures 1/4 of a teaspoon.My regime calls for dosing 1/16 of some chemicals.
Question is how exact do you have to be with measurements? What would be the margin of error? Would there be an issue if I dosed 2/16s instead of 1/16? I would've thought that only excess N I would need to be worried about, for the fish's sake.
My regime is as follows:
Day 1
50% water change then add :
1 tsp
TNC GH Boost
3/16 tsp
Potassium nitrate (KNO3)
1/16 tsp
Monopotassium phosphate (KH2PO4)
Day 2
1/16 tsp
TNC Trace
Day 3
3/16 tsp
Potassium nitrate (KNO3)
1/16 tsp
Monopotassium phosphate (KH2PO4)
Day 4
1/16 tsp
TNC Trace
Day 5
3/16 tsp
Potassium nitrate (KNO3)
1/16 tsp
Monopotassium phosphate (KH2PO4)
Day 6
Rest
Day 7
Rest
Over the week you will be adding the following nutrients to your tank :
Nitrogen N:
6.6 ppm
Boron B:
0.11 ppm
(Nitrate NO3:
29 ppm)
Copper Cu:
0.024 ppm
Phosphorous P:
3 ppm
Iron Fe:
0.88 ppm
(Phosphate PO4:
9.1 ppm)
Manganese Mn:
0.19 ppm
Potassium K:
36 ppm
Molybdenum Mo:
0.016 ppm
Calcium Ca:
6.9 ppm
Zinc Zn:
0.12 ppm
Magnesium Mg:
1 ppm
Sulphur S:
13 ppm
Question is how exact do you have to be with measurements? What would be the margin of error? Would there be an issue if I dosed 2/16s instead of 1/16? I would've thought that only excess N I would need to be worried about, for the fish's sake.
My regime is as follows:
Day 1
50% water change then add :
1 tsp
TNC GH Boost
3/16 tsp
Potassium nitrate (KNO3)
1/16 tsp
Monopotassium phosphate (KH2PO4)
Day 2
1/16 tsp
TNC Trace
Day 3
3/16 tsp
Potassium nitrate (KNO3)
1/16 tsp
Monopotassium phosphate (KH2PO4)
Day 4
1/16 tsp
TNC Trace
Day 5
3/16 tsp
Potassium nitrate (KNO3)
1/16 tsp
Monopotassium phosphate (KH2PO4)
Day 6
Rest
Day 7
Rest
Over the week you will be adding the following nutrients to your tank :
Nitrogen N:
6.6 ppm
Boron B:
0.11 ppm
(Nitrate NO3:
29 ppm)
Copper Cu:
0.024 ppm
Phosphorous P:
3 ppm
Iron Fe:
0.88 ppm
(Phosphate PO4:
9.1 ppm)
Manganese Mn:
0.19 ppm
Potassium K:
36 ppm
Molybdenum Mo:
0.016 ppm
Calcium Ca:
6.9 ppm
Zinc Zn:
0.12 ppm
Magnesium Mg:
1 ppm
Sulphur S:
13 ppm
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Planted Tank Guru
The accuracy is not terribly important with EI maybe + 30%.
That said, your doses are calculated wrong. Example, you're dosing the same volume of KH2PO4 and KNO3. Yet in the weekly total it says you are dosing more NO3 than PO4. That's completely incorrect.
What is the volume of water in your tank? That is very important to know!
It seems you have a small tank. Therefore, I would suggest you use liquid fertilizers. It's easy to mix your own with what you have. The end product will be much more accurate and just as easy if not easier dose.
You can see how to make them here,
Dry dosing and Nutrient Solution Recipes
By the way, where did you get those numbers from?
That said, your doses are calculated wrong. Example, you're dosing the same volume of KH2PO4 and KNO3. Yet in the weekly total it says you are dosing more NO3 than PO4. That's completely incorrect.
What is the volume of water in your tank? That is very important to know!
It seems you have a small tank. Therefore, I would suggest you use liquid fertilizers. It's easy to mix your own with what you have. The end product will be much more accurate and just as easy if not easier dose.
You can see how to make them here,
Dry dosing and Nutrient Solution Recipes
By the way, where did you get those numbers from?
Planted Tank Guru
There are smaller measuring spoons.
Look at on line sales places like Amazon using the words Dash, Smidgen, Tad, Pinch...
I got some tiny spoons with something fish related many years ago. A tiny spoon at one end, a very tiny spoon at the other. I don't remember what, though.
Alternate idea:
To get 1/16 start with 1/4 and divide it into 4 parts. This is easy enough to do accurately enough for EI.
Alternate idea:
Add up how much you will use in a couple of weeks, then add that much to some water. To dose divide the mix by 6 (there are 6 doses in 2 weeks) and add that much every other day.
Example:
For a 20 gallon tank
I will mix macros:
11/2 teaspoons KNO3
3/8 teaspoons KH2PO4
12 ml Excel
30 ml water
Dose at 7ml every other day. (This is based on 1 ml per 3 gallons of tank volume, rounded a bit)
micros:
3/8 tsp CSM+B
scant 1/8 tsp chelated iron
12 ml Excel
30 ml water
Dose at 7ml every other day. (This is based on 1 ml per 3 gallons of tank volume, rounded a bit)
I do not use GH booster, my tap water has enough Ca and Mg for my plants.
I vary these recipes according to tank needs.
Excel is calculated to be the minimum dose per Seachem label. Excel also greatly reduces the gunk that may grow in the bottles (especially the micros).
Look at on line sales places like Amazon using the words Dash, Smidgen, Tad, Pinch...
I got some tiny spoons with something fish related many years ago. A tiny spoon at one end, a very tiny spoon at the other. I don't remember what, though.
Alternate idea:
To get 1/16 start with 1/4 and divide it into 4 parts. This is easy enough to do accurately enough for EI.
Alternate idea:
Add up how much you will use in a couple of weeks, then add that much to some water. To dose divide the mix by 6 (there are 6 doses in 2 weeks) and add that much every other day.
Example:
For a 20 gallon tank
I will mix macros:
11/2 teaspoons KNO3
3/8 teaspoons KH2PO4
12 ml Excel
30 ml water
Dose at 7ml every other day. (This is based on 1 ml per 3 gallons of tank volume, rounded a bit)
micros:
3/8 tsp CSM+B
scant 1/8 tsp chelated iron
12 ml Excel
30 ml water
Dose at 7ml every other day. (This is based on 1 ml per 3 gallons of tank volume, rounded a bit)
I do not use GH booster, my tap water has enough Ca and Mg for my plants.
I vary these recipes according to tank needs.
Excel is calculated to be the minimum dose per Seachem label. Excel also greatly reduces the gunk that may grow in the bottles (especially the micros).


Wannabe Guru
These are what I use
http://www.amazon.com/Norpro3080StainlessMeasuringsmidgen/dp/B0009X1P9S
Drop 1/64 teaspoon (1/2 smidgen)
a Smidgen 1/32 teaspoon (1/2 pinch)
a Pinch 1/16 teaspoon (1/2 dash)
a Dash 1/8 teaspoon (1/2 tad)
a Tad 1/4 teaspoon
http://www.amazon.com/Norpro3080StainlessMeasuringsmidgen/dp/B0009X1P9S
Drop 1/64 teaspoon (1/2 smidgen)
a Smidgen 1/32 teaspoon (1/2 pinch)
a Pinch 1/16 teaspoon (1/2 dash)
a Dash 1/8 teaspoon (1/2 tad)
a Tad 1/4 teaspoon
Algae Grower
Quote:
Originally Posted by Zorfox
View Post
The accuracy is not terribly important with EI maybe + 30%.
That said, your doses are calculated wrong. Example, you're dosing the same volume of KH2PO4 and KNO3. Yet in the weekly total it says you are dosing more NO3 than PO4. That's completely incorrect.
What is the volume of water in your tank? That is very important to know!
It seems you have a small tank. Therefore, I would suggest you use liquid fertilizers. It's easy to mix your own with what you have. The end product will be much more accurate and just as easy if not easier dose.
You can see how to make them here,
Dry dosing and Nutrient Solution Recipes
By the way, where did you get those numbers from?
That said, your doses are calculated wrong. Example, you're dosing the same volume of KH2PO4 and KNO3. Yet in the weekly total it says you are dosing more NO3 than PO4. That's completely incorrect.
What is the volume of water in your tank? That is very important to know!
It seems you have a small tank. Therefore, I would suggest you use liquid fertilizers. It's easy to mix your own with what you have. The end product will be much more accurate and just as easy if not easier dose.
You can see how to make them here,
Dry dosing and Nutrient Solution Recipes
By the way, where did you get those numbers from?
https://www.thenutrientcompany.com/a...ei_calculator/
I ordered those minispoons. Also I've sold my liquid ferts and already have two batches of the EI pack sold by the nutrient company so no going back now!
It's probably overkill since the tank is so small but I can't seem to shake a problem with green water and BBA. CO2 is stable at 30 ppm. The algae isn't growing it just isn't going away, even though I'm only running one 24w T5 for 6 hours.
My plan is to add an extra 24 watt T5 and dose EI. Have tried triple dosing Flourish Excel and that didn't work.
Planted Tank Guru
Sorry. That calculator is inaccurate.
I did the dry dose calculations for you using mine. btw mine gives the exact same dosages as Rotala Butterfly  Planted Aquarium Calculators & Information Math is math.
I am not sure of the teaspoon weight of TNC trace. According to their calculator it's about 5200 mg per teaspoon. That should be close enough for EI anyway.
In one week you will be dosing these amounts. Using the following fertilizers...
KNO3 929.4 mg (approximately 1/8 teaspoons)
KH2PO4 141.57 mg (approximately 1/32 teaspoons)
TNC Trace 452.39 mg (approximately 1/16 teaspoons)
NO3 22.5
N 5.082549324
PO4 3.9
P 1.271900703
K 15.792851337
Fe 1.5
Cu 0.041071428
B 0.1875
Mn 0.324999999
Mo 0.026785713
Zn 0.207142857
I personally don't like dosing any dry fertilizers smaller than 1/8 teaspoon. The margin for error is quite large for very small teaspoons.
Alternatively you can make your own solutions. Make a macro and Micro solution.
Macro solution
Add the following to 500ml of water,
46.47 grams which is approximately 9 teaspoons of KNO3
7.1 grams which is approximately 1 1/4 teaspoons of KH2PO4
Micro solution
Add 22.62 grams which is approximately 4 1/4 teaspoons to 500ml of water.
Heating the water to lukewarm will help the fertilizers dissolve faster. Adding one to two teaspoons of plain white vinegar to the micro solution will help prevent mold/fungus.
Each dose is 10ml in 76 liters of water. The solutions will provide the exact same nutrients as dosing dry.
I did the dry dose calculations for you using mine. btw mine gives the exact same dosages as Rotala Butterfly  Planted Aquarium Calculators & Information Math is math.
I am not sure of the teaspoon weight of TNC trace. According to their calculator it's about 5200 mg per teaspoon. That should be close enough for EI anyway.
In one week you will be dosing these amounts. Using the following fertilizers...
KNO3 929.4 mg (approximately 1/8 teaspoons)
KH2PO4 141.57 mg (approximately 1/32 teaspoons)
TNC Trace 452.39 mg (approximately 1/16 teaspoons)
NO3 22.5
N 5.082549324
PO4 3.9
P 1.271900703
K 15.792851337
Fe 1.5
Cu 0.041071428
B 0.1875
Mn 0.324999999
Mo 0.026785713
Zn 0.207142857
I personally don't like dosing any dry fertilizers smaller than 1/8 teaspoon. The margin for error is quite large for very small teaspoons.
Alternatively you can make your own solutions. Make a macro and Micro solution.
Macro solution
Add the following to 500ml of water,
46.47 grams which is approximately 9 teaspoons of KNO3
7.1 grams which is approximately 1 1/4 teaspoons of KH2PO4
Micro solution
Add 22.62 grams which is approximately 4 1/4 teaspoons to 500ml of water.
Heating the water to lukewarm will help the fertilizers dissolve faster. Adding one to two teaspoons of plain white vinegar to the micro solution will help prevent mold/fungus.
Each dose is 10ml in 76 liters of water. The solutions will provide the exact same nutrients as dosing dry.
Algae Grower
Thanks for the advice. So once I make up these solutions, presumably in any old 500 ml bottle, I dose each of these 10 mls doses on consecutive days while leaving a day of rest?
Planted Tank Guru
Quote:
Originally Posted by Help111
View Post
Thanks for the advice. So once I make up these solutions, presumably in any old 500 ml bottle, I dose each of these 10 mls doses on consecutive days while leaving a day of rest?
Mon. Dose 10ml of Macros
Tues. Dose 10ml of Micros
Wed. Dose 10ml of Macros
Thurs. Dose 10ml of Micros
Fri. Dose 10ml of Macros
Sat. Dose 10ml of Micros
Sun. 50% Water change day. No dosing.
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