Flourish vs. Dry - The Planted Tank Forum
 
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post #1 of 12 (permalink) Old 02-13-2010, 07:52 PM Thread Starter
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Exclamation Flourish vs. Dry

I made up a spread sheet to help me convince my mom that I need to start buying dry ferts. Can you guys take a look and tell me if I need to add more. The list for the dry was provided by a forum member and it was stated that it was for basic setups/newbie tanks. I did add flourish excel to the dry list because I have a DIY CO2 setup. The part I need help with is the flourish chat. Do I have the equivalent in the dry chart. If I need to add more to the Flourish chat to get the same outcome from the dry chart please let me know.

Last edited by jmowbray; 05-31-2010 at 04:41 PM.
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post #2 of 12 (permalink) Old 02-13-2010, 11:00 PM
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Check out "Bulk Nutrients Uncovered" from Rex's http://www.rexgrigg.com/ferts.htm for a price comparison between dry and Seachem's.

Also, check out "Comparison of Seachem's Macro Ferts to Rex's Dry Macro Ferts".

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post #3 of 12 (permalink) Old 02-13-2010, 11:23 PM
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You're off by about a million dollars. You're comparing 250ml to a pound of ferts. A pound would last a year, the 250ml would last a few weeks.

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post #4 of 12 (permalink) Old 02-13-2010, 11:44 PM Thread Starter
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kid creole I know that it's two different measurement. I took the total of the Flourish and multiplied by two to get the numbers for 500ml. Can you help me out with the length of the dry should last, I have a 20 gallon tank. So far I have 50 ml of the flourish products and it's lasted me a mouth so far. I dose 3ml of excel every other day, 3ml of flourish once a week and trace once a week.

Also what would be ideal water parameter numbers for them? So far I only have Nitrate, Nitrite, pH, ammonia test kits. I don't think I'm going to do the EI method that's why I'm asking what the numbers should be. I also have to pick up GH/KH test kit. Are there any other kits I would need to test for each of the dry ferts? I'm not exactly sure what each fert. will raise, such as KNO3 will effect ____????? :?
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post #5 of 12 (permalink) Old 02-14-2010, 12:40 AM
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Get the dry ferts.... NUFF SAID!!

LOL

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post #6 of 12 (permalink) Old 02-14-2010, 12:43 AM
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http://www.aquaticplantcentral.com/f...fertilator.php

Here ya go!

How much (teaspoons or grams)
Of what (several different sources of most nutrients)
will raise the water level of that nutrient by how much.

Here is an argument without the math:
When you buy liquid fertilizers you are paying for the packaging, shipping and handling of a lot of water and a tiny bit of fertilizer. That is very expensive water! Do it once, save the bottles, then refill with a little bit of fry fertilizer and water from the tap.

When you buy dry ferts that is ALL you are paying for. No extenders, no fillers, no dilution.... pure fertilizer.
If you are using the Estimative Index system on a 20 gallon tank the dry fertilizers are measured in fractions of a teaspoon. 1 pound of most are a little under 2 cups. There are 48 teaspoons in a cup, so if one of the ferts is dosed at 1/4 teaspoon, that is almost 200 doses in a pound.
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post #7 of 12 (permalink) Old 02-14-2010, 12:53 AM Thread Starter
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Diana when on the "Get concentration from chemicals added" calculator. In the results window/box are the numbers under each calculation the number your shooting for?
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post #8 of 12 (permalink) Old 02-14-2010, 12:57 AM
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Yes. The numbers below the values that came up when you hit 'calculate' are the targets.
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post #9 of 12 (permalink) Old 02-14-2010, 12:58 AM
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Quote:
Originally Posted by jmowbray View Post
... I'm not exactly sure what each fert. will raise, such as KNO3 will effect ____????? :?
I wrote a response above that pretty much covers this question. I forgot to click Submit before I went out to dinner. The second article is a bit of an eye opener!

FertFriend, Chuck's and fertilator are some fert calculators that you can use. The FertFriend and fertilator include Seachem's ferts.

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post #10 of 12 (permalink) Old 02-14-2010, 01:06 AM Thread Starter
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Thanks Left C!!!
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post #11 of 12 (permalink) Old 02-14-2010, 01:42 AM
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From the second link that Left C posted above:

Quote:
The price of 3 lbs of Rex's ferts is $7 and the 75.2 liters of Seachem's ferts price is $977.60.
So Dry ferts are more than 100:1 better than liquid ferts, for price.
There is probably a LOT more shipping costs in buying 75 liters of liquid, too!
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post #12 of 12 (permalink) Old 02-14-2010, 04:58 AM
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Oh, and check to see if your mom is rich. It may be a moot point if you've got family money to burn.

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