01-28-2009, 04:16 PM
Aloha,
Re the thread on how to alkalinize your catchment water, the latest issue of the Big Island Weekly gives da scoop in the Mr. Big Island column to round out info from my previous post. Baking soda and fine granular alkalizers will work; big chunks of carbonates will not (it's the sulfur that coats the surface and renders them ineffective).
He also points out something I forgot, which is that products like cement blocks and other random chunks of new or "waste" concrete may be made with toxic materials in the mix (from additives such as fly ash, etc.) and those toxins will leach into your catchment water.
cheers,
John S.
Re the thread on how to alkalinize your catchment water, the latest issue of the Big Island Weekly gives da scoop in the Mr. Big Island column to round out info from my previous post. Baking soda and fine granular alkalizers will work; big chunks of carbonates will not (it's the sulfur that coats the surface and renders them ineffective).
He also points out something I forgot, which is that products like cement blocks and other random chunks of new or "waste" concrete may be made with toxic materials in the mix (from additives such as fly ash, etc.) and those toxins will leach into your catchment water.
cheers,
John S.