{"product_id":"9780984121625","title":"Freshwater Test Kit Review 2010","description":"This book is a collection of reviews of the most popular and common freshwater test kits in the areas of pH, ammonia, water hardness, and nitrite \u0026amp; nitrate - updated for 2010. Chapter 1 is a review of eight freshwater pH test kits. This chapter deals with the most important water quality in an aquarium. ALL other water parameters affect and\/or are affected by pH. Chapter 2 is a review of eight freshwater ammonia test kits. Ammonia toxicity can destroy an entire aquarium overnight. Chapter 3 is a review of eight freshwater Hardness test kits. Water hardness can have a major impact on pH (through KH) and is important for keeping stress levels to a minimum in certain species (GH). Chapter 4 is a review of eight freshwater nitrite \u0026amp; nitrate test kits. While nitrite \u0026amp; nitrate are not usually an immediate danger to your aquarium inhabitants, they are an important indicator of the \"health\" of the Nitrogen Cycle. The final chapter is a review of nine \"Master Test Kits\" from the most popular manufacturers.","brand":"AquaChem Publishing","offers":[{"title":"Default Title","offer_id":47034571915504,"sku":"9780984121625","price":16.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/9780984121625_p0.jpg?v=1763894851","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/9780984121625","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}