I am thinking to buy a PH monitor.
http://diyreef.com/shop/product_info.php?cPath=68&products_id=114
or
http://www.marinedepot.com/md_viewItem.asp?idproduct=AM1111or
http://www.drsfostersmith.com/Product/Prod_Display.cfm?pcatid=9848&N=2004+113074
Do you guys have any experience with those PH monitors????
Thanks
Jose
http://diyreef.com/shop/product_info.php?cPath=68&products_id=114
or
http://www.marinedepot.com/md_viewItem.asp?idproduct=AM1111or
http://www.drsfostersmith.com/Product/Prod_Display.cfm?pcatid=9848&N=2004+113074
Do you guys have any experience with those PH monitors????
Thanks
Jose