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.
also be used, but trace elements must be added as well (this does not preclude the other trace element applications suggested in the previous paragraph). To reduce soil pH you can apply iron and/or sulphur to the soil. The most effective measure is to use acidic mulches such as pine needles, pine fines or crushed pine bark.