granite polish preserver: wax & protectant – best protector & care product for easy maintenance countertops, marble – streak-free finish. black diamond stoneworks black diamond marble & granite polish preserver protects counters, walls, bar tops and all natural stone surfaces. our formula makes it easy and convenient to use; simply spray and wipe to preserve your stones natural finish. once applied, polish preserver resists etching and water spots making it a must for counter tops and shower walls. it also will help prevent streaks and soap scum build-up. with regular use, polish preserver will help maintain your stones factory polish and protect it from spotting, streaking and staining! don't confuse with furniture polish that simply leaves an oily film that attracts particles and finger prints. polish preserver protects! not to be used on floors provides a streak-free shine! * saves money and saves time by making cleaning easier and faster the next time! *is safe around children and pets. eco-friendly! granite care system: black diamond's granite care system will keep your granite looking great in just three steps. 1) clean your granite daily with our granite counter cleaner. 2) polish your granite every two weeks using our polish preserver. 3) seal it once a year with our granite nex-gen sealer.