A conventional electric water heater will come with a black wire and a red wire which are connected to the wires of the same color as described above. The ground wire is attached to the green ground screw which is in the same wiring junction box compartment which is built into the top of the water heater.
Which option is best depends upon several factors. But moving your garden soil pH lower may be as simple as adding fertilizer or mulch. Of course, all methods of changing soil pH involve adding something to the soil. Itâs just a question of the type of soil amendment youâll be using, and in what quantity.
Azaleas are acid-loving plants, so optimum pH levels in the soils should be between 5.5 and 6.5. A pound and a half of sulfur per 100 square feet can lower the pH by half a point. Sandy soils need less (.5 lbs. / 100 sq. ft.) and heavy clays need more (2.5 lbs. / 100 sq. ft.). One suggestion is to use 2 lbs.