"Stuart Bryce" wrote in message
...
|I am quite new to the marine hobby but have had tropical fish for
some time.
| the question is this
|
| my water in my 5 foot tropical setup is excellent, all parameters
spot on,
| the parameters in my marine tank are also within specified levels
| nitrite 0
| nitrate 5ppm
| ammonia nil
| ph 8.2
| phosphate .25mg
|
| but I have a diatom problem as I have not yet invested in a ro
unit, so
| could I use mature water from my tropical to conduct water changes
in my
| marine having first adjusted the salinity and ph levels, and would
this help
| control my diatom problem. tia
|

If the tank is fairly new, the diatom bloom is pretty normal, and
will recede.

At any rate, your idea may not help. The diatom bloom s are caused by
silicates, which would still be present in the fw.



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