You should do a complete flush. Flush with distilled water and adjust the pH of the water to 6.3pH. The flush should be 3 times larger than the pot. So, if you are using 3gal pot, flush with 9gal of water. After that, let the soil dry and start the next feed with 1/2 the dosage and add Silica for better nutrition up take and it helps the plants to be more sturdy. So, it can take a beating.