{"product_id":"api-test-tubes","title":"API Test Tubes","description":"\u003cp\u003eReplacement capped test tubes for API's liquid test kits — the part that gets dropped, chipped or permanently stained long before the reagents run out. Twenty-four in a pack, which is also enough to set up several tests side by side instead of rinsing between each one.\u003c\/p\u003e\u003cp\u003eAPI describes these as fitting all of its liquid test kits, freshwater, saltwater and reef alike. They are not a test in themselves — the reagents and colour cards come with the kits.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKeeping them readable\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eRinse with tap water immediately after use rather than at the end of the session, and never with detergent — residue is harmful to fish and will skew the next reading. Tubes that have gone cloudy or permanently tinted should be replaced; a stained tube quietly shifts every colour match you make with it.\u003c\/p\u003e\u003cp\u003eKits these fit: \u003ca href=\"\/products\/api-freshwater-master-test-kit-5-in-1\"\u003eFreshwater Master\u003c\/a\u003e, \u003ca href=\"\/products\/api-saltwater-master-liquid-test-kit\"\u003eSaltwater Master\u003c\/a\u003e and \u003ca href=\"\/products\/api-reef-master-test-kit-4-in-1\"\u003eReef Master\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/www.apifishcare.com\/product\/test-tubes\" rel=\"nofollow noopener\" target=\"_blank\"\u003eAPI replacement test tubes on the API website\u003c\/a\u003e\u003c\/p\u003e","brand":"API","offers":[{"title":"24 Pack","offer_id":56047238807874,"sku":"API187","price":57.44,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0563\/6676\/0120\/files\/f6e6dcd7cdf6c1d7467f87ceb39c5f4b07cae452.png?v=1788422790","url":"https:\/\/www.peekapaw.com.au\/products\/api-test-tubes","provider":"PeekAPaw Pet Supplies","version":"1.0","type":"link"}