{"product_id":"2940016511498","title":"How to Build a Wet Dry filter","description":"In this ebook I explain how to build a wet dry filter sufficient for reef tanks up to 100 gallons and cichlid tanks up to 125 gallons. If your aquarium is larger than that, you can build a bigger wet dry filter using the same concept explained in the ebook. This wet dry filter is built using a 20 gallon long and a 10 gallon tank, It cost about $50.00 to build. The wet dry filter will need a water pump, you will need to purchase that separately.","brand":"Danoreef","offers":[{"title":"Default Title","offer_id":47168419987696,"sku":"2940016511498","price":2.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/2940016511498_p0.jpg?v=1763637027","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/2940016511498","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}