1 A do-it-yourself approach for basic basement steps starts around $250-$350 for materials, and takes about 3-4 hours. 2  That's with standard lumber, such as pine; costs can go much higher with more expensive wood, such as oak.
Pour enough melted agar into each sterile plastic petri dish to cover the bottom - about 1/8 to 1/4 deep. Replace the lid immediately. Place agar plates on a counter top to cool and set. Agar medium will set like stiff gelatin at room temperature. The agar medium is now ready for storage or use.
What to Do If It's Safe to Stop the Car. 1  1. Pull over. 2  2. Open the hood to allow heat to disperse faster. 3  3. Do not open your radiator pressure cap (the cap on top of the radiator) while the engine is hot.  4. Check the coolant reservoir tank and fill if 1  needed. 5. Look for a leak in the cooling system.