well, i do use a hydrometer right now but people really suggest hydrometer. been doing reefs for a while (non sps) but now that i have added sps to my new tank, dont want a huge swing ya know... but yea the hydrometer has been good for years... lol
Completely untrue. Very easy. Very accurate. worth the money. I'll never go by a hydrometer. Ever see when albano posted like 6 hydrometers All showing completely different measurements? Pretty funny. Trust me, it's worth every penny.