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 Post subject: Gravel and pH
PostPosted: Nov 18th, '14, 03:49 

Joined: Nov 12th, '14, 02:19
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Hello,

I know that depending on which sustrate you use, your system is going to have a higher or lower pH. So, Im planning to use gravel on my aquaponic system, but I dont know if there´s going to be a difference between white limy gravel or blue gravel. Is White limy gravel more acid or alcaline?

Hope you have some experience in this field.

Thanks.


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 Post subject: Re: Gravel and pH
PostPosted: Nov 18th, '14, 06:09 
Seriously, this cant be healthy.
Seriously, this cant be healthy.
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Joined: Feb 23rd, '07, 03:48
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Do a test before you use it.

If the limy gravel is actually limestone then your pH will always be high until the limestone all dissolves.


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 Post subject: Re: Gravel and pH
PostPosted: Jan 30th, '15, 12:09 

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Are there charts, tables, or data that anyone could list here with all the nerdy information about aquaponics? Things like all the recommended parts per million for ammonia, ammonium, nitrates, nitrites, bacteria cultures, ph and anything else with numbers and chemicals


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 Post subject: Re: Gravel and pH
PostPosted: Mar 9th, '15, 17:08 

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dont know if there´s going to be a difference between white limy gravel or blue gravel. Is White limy gravel more acid or alcaline?


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 Post subject: Re: Gravel and pH
PostPosted: Apr 30th, '15, 02:25 
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Put some gravel in a cup with some white vinegar, of it bubbles it has lime stone.


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 Post subject: Re: Gravel and pH
PostPosted: Apr 30th, '15, 14:22 
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@mislaura7 - You can read up on the often repeated rules of thumb linked below.
viewtopic.php?f=12&t=6646


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