any opinion on these?
Zero 0 ppm Reef 6st Reverse Osmosis RO+DI Water Filters
for both Drinking and Aquarium use.
http://www.purewaterclub.com/catalog/index.php?cPath=61&osCsid=0132505f0ab460be3a1457fc5ca8a99c
Zero 0 ppm Reef 6st Reverse Osmosis RO+DI Water Filters
for both Drinking and Aquarium use.
http://www.purewaterclub.com/catalog/index.php?cPath=61&osCsid=0132505f0ab460be3a1457fc5ca8a99c