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drashokkumar
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 Posted: Sun Oct 02, 2016 6:08 pm Post subject: regarding agriculture grade fertilizer use in aquarium |
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so hello guys iam from pondicherry
got a 40 gallon tank and want to start diy ei dosing
a few details about my tank can be found here
http://aquapetz.com/viewtopic.php?t=4452
i purchased the horticulture grade stuff and want to use it
the stuff i got are
potasssium sulphate - spic triumph brand 0:0:50
potassium nitrate - coromandel brand 13:0:45
mono potassium phosphate - coromandel brand 0:52:34
magnesium sulphate - coromandel brand
rexolin cxk micro nutrients
rexolin 13 % chelated iron
i want to know how to use it , planning to make a stock solution to be used with autodoser so need some guidance on how to make the solution and what concentrations to use
please help me
thank you   |
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Nidhi
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Joined: Nov 23, 2011
Posts: 1877
Location: Bangalore, Prakashnagar.
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| Posted: Tue Oct 04, 2016 12:22 pm Post subject: Re: regarding agriculture grade fertilizer use in aquarium |
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Hi Ashok kumar.
The only difference between a lab grade and agricultural grade fertilizer is the amount of impurities in it.
lab grades are much more pure than the agricultural grade, But for our application I feel its not much of a issue.
I too dose with agricultural grade fertilizer and the plants are doing fine.
Only concern is with the rexolin cxk micro nutrients, The micro fertilizer can be tricky as a slight increase / decrease in any one element can trigger a deficiency or toxicity in plants and has the potential to harm the inhabitant animals. I would suggest you to go with CSM-B for micro nutrient.
all other fertilizer can be used as per recommended recipes Like EI, PMDD or PPS Pro..
No matter which recipe you follow you may have to modify the recipe according to your specific tank. because your tank is unique and nobody can give a standard recipe which will work on all tanks.
The link below is a calculator which can help to calculate the fertilizer dosing.
http://rotalabutterfly.com/ |
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drashokkumar
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| Posted: Tue Oct 04, 2016 9:13 pm Post subject: Re: regarding agriculture grade fertilizer use in aquarium |
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| Nidhi wrote (View Post):
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Hi Ashok kumar.
The only difference between a lab grade and agricultural grade fertilizer is the amount of impurities in it.
lab grades are much more pure than the agricultural grade, But for our application I feel its not much of a issue.
I too dose with agricultural grade fertilizer and the plants are doing fine.
Only concern is with the rexolin cxk micro nutrients, The micro fertilizer can be tricky as a slight increase / decrease in any one element can trigger a deficiency or toxicity in plants and has the potential to harm the inhabitant animals. I would suggest you to go with CSM-B for micro nutrient.
all other fertilizer can be used as per recommended recipes Like EI, PMDD or PPS Pro..
No matter which recipe you follow you may have to modify the recipe according to your specific tank. because your tank is unique and nobody can give a standard recipe which will work on all tanks.
The link below is a calculator which can help to calculate the fertilizer dosing.
http://rotalabutterfly.com/
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thanks for the advice bro 
if i use rexolin in very low quantity will it be a problem? |
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Nidhi
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Joined: Nov 23, 2011
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| Posted: Wed Oct 05, 2016 10:31 am Post subject: Re: regarding agriculture grade fertilizer use in aquarium |
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if i use rexolin in very low quantity will it be a problem?
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We need to know the composition of the mix it has. its normally printed on the label. In percentages.
What we need to look for is the composition of Iron and zinc.
Zinc is toxic to fishes and invertebrates.. so need to see if its too high in rexolin.
Iron composition is what determines how much needs to be dosed.. |
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Nidhi
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Posts: 1877
Location: Bangalore, Prakashnagar.
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| Posted: Wed Oct 05, 2016 11:02 am Post subject: Re: regarding agriculture grade fertilizer use in aquarium |
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| Sorry, I meant Copper and not Zinc.. |
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drashokkumar
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| Posted: Wed Oct 05, 2016 2:02 pm Post subject: Re: regarding agriculture grade fertilizer use in aquarium |
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| Nidhi wrote (View Post):
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Sorry, I meant Copper and not Zinc..
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http://www.pragro.com/PRAGRO_files/RexolineCXK.htm
this link has the details about the rexolin nutrient
i also messaged the owner of the website www.rotalabutterfly.com to add this micro in his calculator
he told that he will add it to the calculator
one more doubt i have is people were telling to add hcl to preserve the micronutrient from mould growth , they were ttellin alternatively it can be refrigerated but thats not possible since im goin to use with autodoser
so i bought som 1/10N HCL , but dontknow how much to add to the solution
if u can guide me will be really helpful ! |
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Nidhi
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Joined: Nov 23, 2011
Posts: 1877
Location: Bangalore, Prakashnagar.
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| Posted: Wed Oct 05, 2016 5:53 pm Post subject: Re: regarding agriculture grade fertilizer use in aquarium |
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one more doubt i have is people were telling to add hcl to preserve the micronutrient from mould growth , they were ttellin alternatively it can be refrigerated but Thats not possible since im going to use with autodoser
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I feel that's not necessary, Keep the mixture in a opaque container. Or keep the container in a dark place.
From the link, I feel the Rexolin Micro has low iron content and the copper is a bit on higher side.
CSM has the following..
1.5% Magnesium (MG),
1.5% Magnesium (cheleted),
0.10% Copper (Cu),
7.0% Iron (Fe - cheleted),
2.0% Maganese (Mn - Cheleted),
0.06% Molybedenum (MO), and
0.40% Zinc (Zn - cheleted).
You can see that the copper content is pretty low.. Try to find an alternative to this. |
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drashokkumar
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| Posted: Wed Oct 05, 2016 8:17 pm Post subject: Re: regarding agriculture grade fertilizer use in aquarium |
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i found out that the rexolin cxk is almost similar to tenso cocktail made by yara industries and the copper level is almost same
rotala butterfly has given a calculator for tenso cocktail and the dose matches almost with the rexolin one
attaching the pictures have a look
really sorry if iam bugging you 
 |
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Nidhi
Committed Member of IAH
Joined: Nov 23, 2011
Posts: 1877
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| Posted: Thu Oct 06, 2016 10:08 am Post subject: Re: regarding agriculture grade fertilizer use in aquarium |
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rotala butterfly has given a calculator for tenso cocktail and the dose matches almost with the rexolin one
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I will check and revert back on this.. |
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