Free Shipping! The most important book on Aquarium Fish Keeping and Aquarium Water ever written. There are “picture books” and “instruction books” but nothing like this has ever been written. The total guide to water treatment for the Aquarists. Don’t miss this one every aquarists should own a copy of this book. There are 60 solid full color pages of facts telling it like it is and no adds or advertiser that would get upset about the truth. Will ship Worlds Wide send me your country code and address and I will let you know what postage is.