A useful tip

Hello. I started burning w/comp usa Disc which is Princo,had a lot of coasters 1 in 10 & blemishes on almost every dics.But they play in my DVD Player.Changed to Memorex no coasters but a lot of blemishes on Disc according to DVDinf. could not make copy of copy,if I needed another DVD so I was S.O.L.So I tried FujiFilm great Disc,But expensive.Found out they were Ritek A03 2x.So I bought Ritek A04's online From Rima takes about a week to get.40 burn's later no coasters no flaws I'm in HOG HEAVEN