{"product":{"product_id":"B00XWKIKOS","title":"EnviroSupply 12x40 Ultra Pure Prewashed Virgin Coconut Shell Activated Carbon (Water Filtration, Aquarium Cleaning Charcoal) - Resealable 5 Pound Bag (80oz)","price":"44.99","image_url":"https://m.media-amazon.com/images/I/41p0M4oa06L._SL500_.jpg","url":"https://www.amazon.com/dp/B00XWKIKOS"},"comments":[{"body":"I put a half cup of this stuff in a fine mesh aquarium filter bag in my cats' water fountain, and replace it once a month. Super cheap compared to the manufacturer replacement, and also probably way more effective since the replacement is just a sponge with some charcoal sprinkled on it.  \r\n\r\n\r\nhttps://www.amazon.com/gp/product/B00XWKIKOS/ref=ppx\\_yo\\_dt\\_b\\_search\\_asin\\_title?ie=UTF8\u0026amp;psc=1","subreddit_name":"CleaningTips","author":"risbia"}]}