Check the listing for details. Mainline Smart Liquid. Condition: New. Listed at 17.55 USD. Much more than a liquid food, much more than a liquid attractor, Smart Liquid is ‘intelligent’. Water is the catalyst to Smart Liquid infiltrating it’s underwater environment; throughout the bottom substrate horizontally then climbing vertically, impregnating the entire water column with advanced compounds or free aminos, palatants and highly stimulatory trace elements. You can pay with Paypal or Credit Card. Small items are sent with Royal Mail and larger parcels with my Courier. Courier postage costs are mainland UK only (Exc Highlands & Islands), for all other areas please email or phone me for a quote before committing to buy. If you do want any other information please get in touch. Thanks for looking and happy bidding. Please note that our prices do not include any International Impo.