Estimative Index Dosing Guide
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658 Posts
Hello again 
I am posting this info based on Diana's reply. If I have made any mistakes please point them out.
I believe this will be very helpful to those doing EI on multiple tanks
I probably missed it even though I have been at APC since 2009.
Q1: How many total gallons am I dosing? (Add up all the tanks)
12 , 40, 65, 29, 55, 15 = 216 gallons
So, how much of each material do I need for 1 week? (do some math with each dose of each material... so many teaspoons per dose, 3 doses per week...
Each dose X 3
* kno3. 10g 30. g
* K2so4. 13.67 g. 41.01 g
* Kh2po4. 1.52. 4.56 g
*
Put this much in the bottles (macros in one bottle, micros in the other)
Q2: How can I best dose? For me, I dose at the rate of 1ml per 3 gallons of tank volume.
So, multiply it out: How many gallons in all the tanks?
216
How many doses in one week? (3) Divide by 3 gallons and call it ml.
216 x 3= 648 ml of H20
Put that much water in each bottle.
Single Dosage per tank ( three times a week)
12 divided by 3= 4 ml
40 divided by 3= 13.3 ml
65 divided by 3= 21.6 ml
29 divided by 3= 9.6 ml
55 divided by 3= 18.3 ml
15 divided by 3= 5 ml
What you wrote below is great advice. I will do this as well since I also dose glut.
Side note: I also dose with glut. I do a similar computation and add a weeks worth of glut to the bottles then top it off with distilled water. The glut minimizes the growth of 'goo' in the bottles. Per a recommendation by a chemist I also add a bit of citric acid to keep the mixture acidic.
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I am posting this info based on Diana's reply. If I have made any mistakes please point them out.
I believe this will be very helpful to those doing EI on multiple tanks
I probably missed it even though I have been at APC since 2009.
Q1: How many total gallons am I dosing? (Add up all the tanks)
12 , 40, 65, 29, 55, 15 = 216 gallons
So, how much of each material do I need for 1 week? (do some math with each dose of each material... so many teaspoons per dose, 3 doses per week...
Each dose X 3
* kno3. 10g 30. g
* K2so4. 13.67 g. 41.01 g
* Kh2po4. 1.52. 4.56 g
*
Put this much in the bottles (macros in one bottle, micros in the other)
Q2: How can I best dose? For me, I dose at the rate of 1ml per 3 gallons of tank volume.
So, multiply it out: How many gallons in all the tanks?
216
How many doses in one week? (3) Divide by 3 gallons and call it ml.
216 x 3= 648 ml of H20
Put that much water in each bottle.
Single Dosage per tank ( three times a week)
12 divided by 3= 4 ml
40 divided by 3= 13.3 ml
65 divided by 3= 21.6 ml
29 divided by 3= 9.6 ml
55 divided by 3= 18.3 ml
15 divided by 3= 5 ml
What you wrote below is great advice. I will do this as well since I also dose glut.
Side note: I also dose with glut. I do a similar computation and add a weeks worth of glut to the bottles then top it off with distilled water. The glut minimizes the growth of 'goo' in the bottles. Per a recommendation by a chemist I also add a bit of citric acid to keep the mixture acidic.
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658 Posts
Only one problem... I am re working doses too the higher higher end of EI.
There is a solubility problem when mixing with 600 ml of water.
I want to mix
NO3- 90 grams
P04 - 6.6 grams
K - 75 grams
Solution does not dissolve. I had intended to dose as suggested 1 ml to every 3 gal.
best solution:
1. Should I double the water and double the dose amount?
2. Comments
Thx U
There is a solubility problem when mixing with 600 ml of water.
I want to mix
NO3- 90 grams
P04 - 6.6 grams
K - 75 grams
Solution does not dissolve. I had intended to dose as suggested 1 ml to every 3 gal.
best solution:
1. Should I double the water and double the dose amount?
2. Comments
Thx U
Sorry to ask a very basic question. Is there any page where the precise weights are given rather than what fraction of a tea spoon it should be? Measuring 1/32 (or 1/x) of a teaspoon is proving to be a little difficult for me.
I know I can prepare a solution with a larger weight but I prefer to dose direct from the jar with a tea spoon. As of now I am doing an eye-estimation.
I know I can prepare a solution with a larger weight but I prefer to dose direct from the jar with a tea spoon. As of now I am doing an eye-estimation.
rotalabutterfly.com has a calculator for specific weights of dry dosing.
I can't understand math. Can someone please tell me how to mix up a DRY stock so I can just scoop from one bag of mixed fert powder? I used to do this years ago but forgot how much of what to add.
I have a bunch of different sized tanks. Different lights, stocking, conditions, etc. I'm over whelmed. All have at least some plants.
Also, about precipitation, I'm confused because Dynagro Foliage Pro (land plant growers might might be familiar with this) has most of your macros and micros together in a liquid stock in a single bottle.
I have a bunch of different sized tanks. Different lights, stocking, conditions, etc. I'm over whelmed. All have at least some plants.
Also, about precipitation, I'm confused because Dynagro Foliage Pro (land plant growers might might be familiar with this) has most of your macros and micros together in a liquid stock in a single bottle.
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You should be dosing a lot bigger dosage of K2SO4 and/or KNO3 than KH2PO4. So, it is difficult to uniformly mix appropriate dry quantities of those chemicals so that each half teaspoon you scoop out contains about the right ratio of each. Mixing liquids is very easy, but mixing dry powders isn't. It isn't really that hard to dip out the tiny amounts of each of the powders individually on whatever schedule you follow. I keep mine in polyethylene containers, with snap on lids, with the content of the container and the dosage boldly marked on the lid.
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Hi everyone, question for ye.
I have a 100 gallon tank and intend on using a water drip feed method which will be running continuously. By using this method I hope to not have to do a big WC every week.
Is it possible to still do the EI Dosing method and if so how would I go about it.
Thanks.
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I have a 100 gallon tank and intend on using a water drip feed method which will be running continuously. By using this method I hope to not have to do a big WC every week.
Is it possible to still do the EI Dosing method and if so how would I go about it.
Thanks.
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2,630 Posts
Hey Henry,
I would think it'd still be possible but not as effective as I would dose personally in smaller amounts. You don't want To much nutrients but you want enough that the plants can absorb whatever, whenever.
But I do recommend a water change weekly IMO. Just part of routine maintenance.
I would think it'd still be possible but not as effective as I would dose personally in smaller amounts. You don't want To much nutrients but you want enough that the plants can absorb whatever, whenever.
But I do recommend a water change weekly IMO. Just part of routine maintenance.
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7,436 Posts
It depends on how much of a drip you have going. If it is one gallon per day that is considerably different from 10 gallons per day, etc. The greater the rate you change the water the more likely you can dose according to the tables. At a gallon per day you would need to adjust the dosing to avoid big overdoses.
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I have never worked too hard to get to that level as I see some problems.
A set it and forget it type sounds good but then my fish and plants have never wanted it to work?
Given time one might find just the right amount of water to remove and dosing to add, but then it is always changing even when we don't see the change. Fish and plants grow or die. Taller get taller and shade low ones. We feed the fish more or less. Even the water changes from the hot and dry season to winter in some places.
So how it would work long term is not one I've found.
My final issue is that I do need to look at my tanks and during water changes, I'm sure to spot things going wrong before they become monsters.
A set it and forget it type sounds good but then my fish and plants have never wanted it to work?
Given time one might find just the right amount of water to remove and dosing to add, but then it is always changing even when we don't see the change. Fish and plants grow or die. Taller get taller and shade low ones. We feed the fish more or less. Even the water changes from the hot and dry season to winter in some places.
So how it would work long term is not one I've found.
My final issue is that I do need to look at my tanks and during water changes, I'm sure to spot things going wrong before they become monsters.
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2,630 Posts
Gone missing,
your post is missing key points.
Plants do not shade out others with: proper planting, and correct spacing. it all relies on the scape, plus half the time if you have high lighting this doesn't matter much anyway...
If you put in the time and effort, you can feed your inhabitants Exactly the right amount, many people do this but its more on the nerdy side. You take the fish(s) weight and do some math with it and the food (blah blah not getting into it) etc etc etc... I personally underfeed a bit and don't see bad results, my feeding schedule is every other day, and I give just enough.
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56 Posts
No doubt there are key points missing. No perfect way for sure. But that is what I was trying to get at. Our tanks do change, so I have never felt that I had enough of a perfect dose to assume that it will be correct at some point in the future. So that has left me not spending much time to perfect a really good dosing system as I would assume it will change. I have shied away from setting a mechanical dosing system or even using a pre-mixed as I keep finding things that prompt me to vary my dosing.
Quite possible the combination of what I do is part of the problem as my tanks are rarely the same for very long.
Maybe just a difference in how we each view the hobby. Some want a picture perfect tank to set back and view. I much prefer doing things with the tanks. I've never had a picture perfect tank but I might want to tear it down and start a new project, even if I had one?
I once moved to a perfect spot-- but then there were too many people there and I moved!
Quite possible the combination of what I do is part of the problem as my tanks are rarely the same for very long.
Maybe just a difference in how we each view the hobby. Some want a picture perfect tank to set back and view. I much prefer doing things with the tanks. I've never had a picture perfect tank but I might want to tear it down and start a new project, even if I had one?
I once moved to a perfect spot-- but then there were too many people there and I moved!
I have no idea if I am doing this right! this is not simple for me. Can someone just check to see if this is correct? I can only dose 5 days a week because tank is a the school I work at.
20 gal tank.
dose 10ml (from 500 ml bottle = 50 doses in a bottle).
3 days of Macro, 2 days of micro, 50% water change a week.
KNO3: 926mg per dose = 46.3g in the bottle
KH2PO4: 180mg per dose = 7.05g in the bottle
K2S04: 1.27g per dose = 63.5g in the bottle
Plantex+B: 232mg per dose = 11.60g in the bottle
And if I wanted to add Calcium Sulfate to the mix for my Mexican Dwarf Crawfish.
and the target is 15ppm CASO4,2H20: 4.88 per dose = 244g in the bottle.
Thank you so much for any help!
John
Hi there,
I was hoping you could offer some advice for the following tank setup:
Tank: Juwal Rio 240 litre
Lighting: Fluval fresh& plant 2.0 (4.30pm to 5pm ramp up to 80% - 10pm to 10.30pm ramp down)
Co2: Pressurized 3bps (4pm to 9.30pm) mixed with internal co2 reactor.
Tank type: heavily planted jungle tank (Sords,crypts, red lotus, xmas moss etc)
Filter: All ponds solutions efx+ 2000 l/ph
Dosing :uk plant food uk ei dosing
The problem:
I am following your recipe and dosing schedule to the extent of dosing for a 200 litre tank not for the full 240 litre which my tank is. All algae seems to have disappeared, but green spot algae has taken hold on my crypts, swords, aubias and some of the other species and also my red plants dont seem to be as vibrant with stunted and small leaf growth. But only specs on the glass hardly worth worrying about.
I did do i phosphate test, it indecated 40ppm which i dont think is right so i take those results with a pinch of salt.
Any advice hear?
Do I need to dose for the full 240 litres because I am under dosing? Is this a deficiency overall throughtout my tank?
I was hoping you could offer some advice for the following tank setup:
Tank: Juwal Rio 240 litre
Lighting: Fluval fresh& plant 2.0 (4.30pm to 5pm ramp up to 80% - 10pm to 10.30pm ramp down)
Co2: Pressurized 3bps (4pm to 9.30pm) mixed with internal co2 reactor.
Tank type: heavily planted jungle tank (Sords,crypts, red lotus, xmas moss etc)
Filter: All ponds solutions efx+ 2000 l/ph
Dosing :uk plant food uk ei dosing
The problem:
I am following your recipe and dosing schedule to the extent of dosing for a 200 litre tank not for the full 240 litre which my tank is. All algae seems to have disappeared, but green spot algae has taken hold on my crypts, swords, aubias and some of the other species and also my red plants dont seem to be as vibrant with stunted and small leaf growth. But only specs on the glass hardly worth worrying about.
I did do i phosphate test, it indecated 40ppm which i dont think is right so i take those results with a pinch of salt.
Any advice hear?
Do I need to dose for the full 240 litres because I am under dosing? Is this a deficiency overall throughtout my tank?
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