Then you do not toast the element if you flip the switch by accident. Then once the heater is filled, turn on the circuit breaker and then flip the switch as needed. See this pic of the circuit breaker on my T2499. Let us know if there is any wording at all on that switch. Good luck.
To lower the pH level of soil and make it more acidic, vinegar can be applied by hand or using an irrigation system. For a basic treatment, a cup of vinegar can be mixed with a gallon of water and poured over soil with a watering can.
The pH is measured on a scale of 1 to 14. The higher the pH, the more alkaline (or base) the solution. 1 is the most acidic and 14 the most alkaline. If the pH is 7 it is considered neutral, below this value it is considered acidic and above basic.he pH is measured on a scale of 1 to 14. The higher the pH, the more alkaline (or base) the solution. 1 is the most acidic and 14 the most alkaline. If the pH is 7 it is considered neutral, below this value it is considered acidic and above basic.