Coral sand or river sand - The Planted Tank Forum
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post #1 of 9 (permalink) Old 02-17-2017, 01:08 PM Thread Starter
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Coral sand or river sand

I have some hc cuba and DHG. In the :

Same fertilize method
Same light
Same CO2

Different tank
Different substrate

Which one is better?

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post #2 of 9 (permalink) Old 02-17-2017, 02:06 PM
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Coral sand is likely to increase hardness that may not be wanted depending on fishes you plan to keep in the tank.
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post #3 of 9 (permalink) Old 02-17-2017, 03:46 PM
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River sand is awesome, if you can collect your own, you can get rougher grain sand by being selective of the area you dig it up from.
But even the finer stuff has fairly little dust in. It gives me so much pleasure watching my sandfish forage in the sand from the river they come from. The cory's and pleco's also seem to enjoy it.
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post #4 of 9 (permalink) Old 02-17-2017, 09:22 PM Thread Starter
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Thank you for helping me

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post #5 of 9 (permalink) Old 02-17-2017, 10:30 PM
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I would assume that all rivers are different so the sand will also be different? Depends on what rocks are eroded and broken down to form the sand.
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post #6 of 9 (permalink) Old 02-17-2017, 10:41 PM Thread Starter
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So the problem with coral sand is just the PH right?

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post #7 of 9 (permalink) Old 02-18-2017, 05:22 AM
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I'd imagine it to be very high in salt too.

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post #8 of 9 (permalink) Old 02-18-2017, 03:08 PM
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Quote:
Originally Posted by Haejin View Post
So the problem with coral sand is just the PH right?

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Coral "sand" is a natural buffer that keeps pH around 8+. This is what marine environments need. You cannot use it for a planted tank.

Current Tank: 125g reef ready with 40 gallon sump. ATI 4x80 watt T5 with 2x Super Flora T5 Giesemann, 1x ATI Purple Plus, 1x ATI AquaBlue Special. GLA CO2 system, Flourite substrate, Digital Aquatics Controller.
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post #9 of 9 (permalink) Old 02-18-2017, 08:51 PM Thread Starter
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So i will take river sand...and thank you for helping

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