{"product_id":"2940016511382","title":"How To Build A Protein Skimmer","description":"This ebook describes how to build a counter current protein skimmer. For years and years counter current skimmer were considered to be the best way to remove DOC's from your aquarium. I still think it is. The skimmer I built works awesome. It is built using standard white PVC pipes and fittings that can be bought at any hardware\/home improvement store.","brand":"Danoreef","offers":[{"title":"Default Title","offer_id":47173919310064,"sku":"2940016511382","price":2.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/2940016511382_p0.jpg?v=1763636773","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/2940016511382","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}