Dustin's Blog — Specific Gravity

A Huge Guide to Freshwater Aquarium pH, Dissolved Oxygen, Nitrites/Nitrates/Ammonia, Water Hardness, and All the Molecules Bouncing Around Between Your Fish - without Feeling Lost or Like You Want to Fall Asleep in Class Read Time: 12 mins "This 8 oz bottle will prevent and cure all fish diseases, fix all your water, grow a tank-wide bacteria colony in 7.2 minutes, and bring your childhood goldfish back from the dead for $42.99! Ignore the other 600 8oz bottles that say the exact same thing!" is what it feels like walking down an aquarium aisle these days.  Before you go into debt buying products...