Por cierto, no quiero hundir la compra, yo ya soy parte de ella. Estoy hoy pesado con este articulo ya se, pero echadle un vistazo a lo que pone de los fosfatos en el agua del grifo. Tiene que haber un monton, del orden de 5 ppm mientras el limite es 0,03ppm, osea 1000 veces mas que el limite para que merezca la pena quitarlos del agua del grifo, si no en la comida entran muchisimos mas fosfatos en comparacion.
Se supone que las resinas quitan silicatos, metales y otras cosas, que justificaria ponerlas
¨What about other sources of phosphate, like the "crappy" RO/DI water containing 0.05 ppm phosphate? A similar analysis will show it equally unimportant relative to foods.
Let's assume that the aquarist in question adds 1% of the total tank volume each day with RO/DI to replace evaporation. Simple math shows that the 0.05 ppm in the RO/DI becomes 0.0005 ppm added each day to the phosphate concentration in the aquarium. That dilution step is critical, taking a scary number like 0.05 ppm down to an almost meaningless 0.0005 ppm daily addition. Since that 0.0005 ppm is 40-600 times lower than the amount added each day in foods (Table 4), it does not seem worthy of the angst many aquarists put on such measurements. That said, could have as much as 5 ppm phosphate, and that value could then become a dominating source of phosphate and would be quite problematic. Purifying tap water is important for this and many other reasons.¨