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Old 04-04-2013, 01:30 PM
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Great post Johnny well done.
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Want to Talk Chemistry ! The Reef Chemistry Forum
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Old 04-06-2013, 11:27 AM
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johnnyj, your water chemistry write ups, are always a good read. i am always impressed with your knowledge and under standing of water chemistry.
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Old 04-06-2013, 06:12 PM
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Quote:
Originally Posted by pjewett View Post
There may not be a good answer to this question post setup of a tank but how does one figure out displacement?

I've been trying to figure out my total water volume as I've been gearing up to dose BRS 2-part. I have a 90 gallon with a 30 gal sump and lots of rock but I have no idea how to figure out its displacement.

I've heard people mention weight of rock but what would that have to do with it? If I place a sealed "orb" or something that weighs next to nothing in a tank along side a rock of equal mass they're displacing equally aren't they?
Check the calculator I posted in the Calculator stickie.

https://www.manhattanreefs.com/forum/...ml#post1321807
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Old 04-06-2013, 11:55 PM
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Man that is some write up Johnny. Great job.
Really helpful.
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Old 09-13-2016, 01:38 AM
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Wow amazing I searched all over YouTube to understand and you really made a difference Jhonny what do u think of the Neptune dos it only doses 2 of the 3 elements would u recommend to buy a second dos just for the 3rd element?
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Old 09-13-2016, 06:57 AM
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How to - Dosing Help

Thanks for this post and gracias JonnyJ
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