Tetra Nitrate Minus: I just have only confused by other reviews that the product does what it promises? Then get the Tetra company contacted some information, then I have the product just like described applied and realized that it has the effect that it promises to have before adding the Means did a water test and tested daily by Addition 1 week of nitrate value is without the Risen! Well it is not a miracle cure notices and also the change of water it can not replace but can one fast Values help supercritical nitrate away! All in all, you can issue a buy recommendation!