DIY Barr's GH Booster? - The Planted Tank Forum
 
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post #1 of 3 (permalink) Old 06-23-2016, 01:57 PM Thread Starter
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DIY Barr's GH Booster?

Between my dry ferts and home brewing I have the ingredients to make GH booster. I have seen it listed as a 1-3-3 ratio.

Magnesium Sulfate (Epsom Salts).
Potassium Sulfate (K2SO4)
Calcium Sulfate (Gypsum)
Mix in 1:3:3 ratio.

My question is, is that 1-3-3 by weight or by volume? 1tsp gypsum is lighter than 1tsp ofK2SO4 or MgSO4?
While I'm at it, Why does PPS Pro dosing include MgSO4, and EI does not?

40 breeder - 1.25" Dirt/1.25" Black Diamond cap - Pressurized CO2 (2.25bps) - 2x54watt T5HO and 42watt LED (total 150watts; 14,500 lumens) - EI dosing - 50% weekly WC - H.O.T. Magnum 250 canister - SunSun 530 gph pump - Set-up 7-14-2015 - Cycled 8-1-2015

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post #2 of 3 (permalink) Old 06-23-2016, 03:40 PM
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Hi MJB13,

That is a good question that sometimes folks don't think about; it is by weight.

Quote:
on Barr's GH Booster Formula per Julia Adkins aquariumfertilizer.com

"Barrs GH Booster contains magnesium sulfate (1 part), calcium sulfate (3 parts) and potassium sulfate (3 parts) by weight. It is an excellent water conditioner. If there are difficulties with solubility you can add a very small amount (1 tsp to 500 ml water) of cider vinegar to increase solubility"

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post #3 of 3 (permalink) Old 06-23-2016, 07:51 PM Thread Starter
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Awesome, Thanks for that!

40 breeder - 1.25" Dirt/1.25" Black Diamond cap - Pressurized CO2 (2.25bps) - 2x54watt T5HO and 42watt LED (total 150watts; 14,500 lumens) - EI dosing - 50% weekly WC - H.O.T. Magnum 250 canister - SunSun 530 gph pump - Set-up 7-14-2015 - Cycled 8-1-2015

"Whatever is inconsistent with the facts,
no matter of how fond of it we are,
MUST be discarded or revised." - Carl Sagan
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