{"product_id":"the-nitrogen-cycle-handbook","title":"The Nitrogen Cycle Handbook","description":"\u003cp\u003eA new tank kills fish for a reason that is invisible in the water and obvious in a test tube. Ammonia builds with nothing to convert it, and the tank looks perfect the entire time.\u003c\/p\u003e\u003cp\u003eThis handbook explains what is happening, gives you two methods depending on whether fish are already in the tank, and tells you exactly when the process is finished.\u003c\/p\u003e\u003ch3\u003eWhat is inside\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eThe chemistry in plain language: ammonia, nitrite, nitrate and the two bacteria\u003c\/li\u003e\n\u003cli\u003eFishless cycling in nine steps, with a day-by-day expectation table\u003c\/li\u003e\n\u003cli\u003eFish-in cycling as a rescue protocol, including the 0.25 ppm water change rule\u003c\/li\u003e\n\u003cli\u003eSix stall scenarios and how to restart a cycle that has gone quiet\u003c\/li\u003e\n\u003cli\u003eHow to keep the colony alive through medication, filter cleaning and power cuts\u003c\/li\u003e\n\u003cli\u003eThe shortcut that genuinely works, and the one that mostly does not\u003c\/li\u003e\n\u003cli\u003eA printable cycling log\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWho it is for\u003c\/h3\u003e\u003cp\u003eAnyone setting up a first freshwater tank, and anyone whose fish keep dying in the first two months for no visible reason.\u003c\/p\u003e\u003ch3\u003eFormat\u003c\/h3\u003e\u003cp\u003eInstant digital download. 6-page PDF, A4, formatted for both screen and home printing. Nothing is shipped. Your download link appears on the confirmation page and in your email receipt.\u003c\/p\u003e","brand":"Pet Fish Care","offers":[{"title":"Default Title","offer_id":49222977552635,"sku":"PFC-NCH","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0827\/8861\/4395\/files\/the-nitrogen-cycle-handbook.png?v=1787740378","url":"https:\/\/petfishcare.com\/products\/the-nitrogen-cycle-handbook","provider":"Pet Fish Care","version":"1.0","type":"link"}