[Greenbuilding] surface area

[Alan Abrams]

in our region, recycled, crushed concrete is available in several popular
grades.  not very lightweight, but I imagine the surface would be microbe
friendly.

this does however, raise the question of PH, due to the alkaline nature of
portland.

AA

On Thu, Jun 7, 2012 at 8:56 AM, Gennaro Brooks-Church - Eco Brooklyn <
info at ecobrooklyn.com> wrote:

> Foam would be a great colonizer but I want to stay away from synthetics
> given that it is a long term swimming pool and I don't want to worry about
> leeching.
>
> Gennaro Brooks-Church
> Director, Eco Brooklyn Inc.
> Cell: 1 347 244 3016 USA
> www.EcoBrooklyn.com
> 22 2nd St; Brooklyn, NY 11231
>
>
>
> On Wed, Jun 6, 2012 at 11:51 PM, John Salmen <terrain at shaw.ca> wrote:
>
>> Hi****
>>
>> Your talking about a biofilter and foam chips have been used successfully
>> for that in all types of wastewater treatment for maintaining a
>> ‘smutzdecke’ (waterloo biofilter is one example) though typically it is
>> graded sand and gravel. Netted bags of foam chips with some kind of ballast
>> might work well. Lots of research out there.****
>>
>> ** **
>>
>> Best****
>>
>> John****
>>
>> ** **
>>
>> ** **
>>
>> ** **
>>
>> *From:* greenbuilding-bounces at lists.bioenergylists.org [mailto:
>> greenbuilding-bounces at lists.bioenergylists.org] *On Behalf Of *Gennaro
>> Brooks-Church - Eco Brooklyn
>> *Sent:* June-06-12 8:03 PM
>> *To:* listserv Green Building new
>> *Subject:* [Greenbuilding] surface area****
>>
>> ** **
>>
>> I am building a natural pool and could use some insight into the media
>> used in the regenerative zone.****
>>
>> Typically gravel is used since it creates large surface area for microbes
>> and lasts.****
>>
>> Ideally I would prefer something lighter so it can be more easily removed
>> when the pool leaks.****
>>
>> I considered crushed brick but dust could be an issue.****
>>
>> I salvaged some Spanish S tile I could put in and cover with gravel. I
>> wouldn't break it I would just put it in the way it comes stacked on the
>> pallet. Any thoughts on how that would compare to gravel in terms of
>> surface area? Keep in mind that microbe surface area is different than
>> surface area we can see.****
>>
>> Using safety netting from job sites would have amazing surface area but I
>> am not interested in the leeching possibilities.****
>>
>> ** **
>>
>> Any thoughts?****
>>
>>
>> Gennaro Brooks-Church
>> Director, Eco Brooklyn Inc.
>> Cell: 1 347 244 3016 USA
>> www.EcoBrooklyn.com
>> 22 2nd St; Brooklyn, NY 11231****
>>
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>
>
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