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Main sol. 518

Internal Solution-ID: S1153

Equipment needed: Filter Autoclave
Compound Amount Unit Conc. [g/L] Conc. [mM]
Na2HPO4 x 2 H2O 7.9 g 7.9 55.65
KH2PO4 1.5 g 1.5 11.023
NaCl 50.0 g 50 855.578
MgSO4 x 7 H2O 0.1 g 0.1 0.406
NH4Cl 0.4 g 0.4 7.478
Phenol red
(saturated aq. solution)
12.5 ml - -
Trace element solution 10.0 ml - -
Na2S2O3 x 5 H2O 5.0 g 5 20.146
Agar , for solid medium
optional
15.0 g 15 44.599
Distilled water 1000.0 ml - -
1 Dissolve ingredients except thiosulfate and adjust pH of medium to 7.3 - 7.5. Add thiosulfate to the medium after autoclaving from a sterile stock solution sterilized by filtration. For liquid medium also sterilize the phosphates separately in 1/10 of medium volume.
518 GUYPARKERIA MEDIUM