- SEAWATER DESALINATION THE ONLY LONG-TERM, COMPLETELY RELIABLE SOURCE OF DRINKING WATER. POTABLE WATER AT HALF THE PRICE! Dear Visitor, Welcome to HOH Canarias S.A., an International European based manufacturing company in the reverse osmosis seawater desalination business. REVOLUTIONARY LOW ENERGY CONSUMPTION AND VERY LOW MAINTENANCE ON RO SEAWATER DESALINATION ! Check LAST NEWS at the bottom !!www.hohcanarias.net