Monday, March 26, 2007

How To Build A Efficient Balsa Bridge

A bit of chemistry

control water parameters: now every month I keep under control the values \u200b\u200bof the tank with tests of various brands (Salifert, Tropic Marine, etc.) and the results to date are as follows:
NO2 NO3
absent: absent / non-measurable
PO4: absent / non-measurable
Ca: 440 mg / l Cu
: none
Ph:
8.2 Alk: 2.5
Density: 35%
Temperature: 26 °

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