ya, i hate the fact that they dont put what is in the bottle.. sometimes i think that its because the fornulae is too simple so they scared ppl wil make their own! haha.. but ya, the tetra bottles look so fancy so it looks like it'll work well.. i bought the darro fert..will let u guys kno bout it! quote author=Icarus link=topic=2073.msg19292#msg19292 date=1198128798] Beware of cheap products, most guys here will tell you that Tetra is to inaccurate, and Daro even more. Well, I keep by the healthy tank idea... If my fish look good and their colors look great, then my tank is okay lol. Will invest in some test kits when I get my Marine tank in 2020 hehe [/quote] ok i guess the best but saddest test is in ur fish! shit..2020?? is that a huge tank or somethin? or is marine really that exp??[ WHAT?? 4-5hrs?? thats so far man.. and also near the border? hectic man..shit.. so u hav to drive that far every time u go to the airport?any good fish stores there?