thanks.... again ken.... your probably wondering why im asking question about saltwater now .. saltwater are for my sister... i guess ill just post on my first tread what i find out
Table 1. Parameters critical to control in reef aquaria.
Parameter:
Reef Aquaria Recommendation: Typical Surface Ocean Value:1
calcium 380-450 ppm 420 ppm
alkalinity 2.5-4 meq/L
7-11
DKH
125-200 ppm CaCO3 equivalents 2.5 meq/L
7 dKH
125 ppm CaCO3 equivalents
Salinity 35 ppt
SG = 1.026 34-36 ppt
sg = 1.025-1.027
Temperature 76-83° F Variable2
pH 7.8-8.5 OK
8.1-8.3 is better 8.0-8.3 (can be lower or higher in lagoons)
magnesium 1250-1350 ppm 1280 ppm
phosphate < 0.03 ppm 0.005 ppm
Ammonia <0.1 ppm Variable (typically <0.1 ppm)
Parameter:
Reef Aquaria Recommendation: Typical Ocean Value:1
Silica < 2 ppm, much lower if diatoms are a problem <0.06 - 2.7 ppm
iodine Control not recommended 0.06 ppm total of all forms
Nitrate < 0.2 ppm Variable (typically below 0.1 ppm)
Nitrite < 0.2 ppm typically Variable (typically below 0.0001 ppm)
Strontium 5-15 ppm 8 ppm
ORP Control not recommended Variable
Boron < 10 ppm 4.4 ppm
Iron Below Kit Detection Limits (additions OK) 0.000006 ppm