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Old 02/02/2019, 07:55 AM   #1
mailoo
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Using real sea water

I have some land next to the sea.
As it is outside the USA I can easily get government permission to pump up sea water to my property, many shrimp farms here do the same.

So imagine you had an unlimited supply of fresh sea water to flush out your tanks, and you were prepared to be constantly changing the water

Could I

A) Have no other filter , other than a sand bed

B) Have tanks that were outside getting hit by direct sunlight most of the day


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Old 02/02/2019, 08:50 AM   #2
Daddi0
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The problem we ran into with fresh seawater is the phosphate level would be high. It would go up to almost .4 phos.
Cheers! Mark


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Old 02/07/2019, 05:23 AM   #3
mailoo
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Quote:
Originally Posted by Daddi0 View Post
The problem we ran into with fresh seawater is the phosphate level would be high. It would go up to almost .4 phos.
Cheers! Mark
Any idea what cause it ?
Any way to solve it ?


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Old 02/07/2019, 06:16 AM   #4
McPuff
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Quote:
Originally Posted by mailoo View Post
Any idea what cause it ?
Any way to solve it ?
There is another thread (50,000L reef in Bangkok) that does into a bit more details... but it sounds like sewage pollution is the main cause of the phosphate levels.


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Old 02/07/2019, 06:17 AM   #5
Dmorty217
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Quote:
Originally Posted by mailoo View Post
Any idea what cause it ?
Any way to solve it ?
Contaminated sea water due to runoff from the land. Ideally you would pump the water in from several miles off shore and you can see the logistical and financial nightmare that would cause.


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Current Tank Info: 625g, 220g sump, RD3 230w, Vectra L1 on a closed loop, 3 MP60s, MP40. Several QTs
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Old 02/07/2019, 08:26 AM   #6
Daddi0
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I would also think that the many shrimp farms in your part of the world would make it worse. I remember seeing satellite images of the coast near shrimp farms and the water was bright green due to the old pond water with nutrients being pumped back out to the sea.
Cheers! Mark


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