diff --git a/main/pumps.c b/main/pumps.c
index 6a473a0..7b7733e 100644
--- a/main/pumps.c
+++ b/main/pumps.c
@@ -5,6 +5,7 @@
 #include "driver/gpio.h"
 #include "nvs_flash.h"
 
+#include "main.h"
 #include "pumps.h"
 
 #define TAG     "PUMP!"
@@ -17,6 +18,14 @@ static uint8_t pumps_enabled[PUMPS] = {0};
 static uint8_t pumps_state[PUMPS] = {0};
 static uint8_t safety = 1;
 
+void pumps_update_config() {
+  ESP_LOGI(TAG, "writing config");
+
+  size_t size = sizeof(uint8_t) * PUMPS;
+  nvs_set_blob(config_handle, "pumps_duration", &pumps_duration, size);
+  nvs_commit(config_handle);
+}
+
 uint8_t pumps_set_duration(uint8_t idx, uint8_t time) {
   if(idx > PUMPS) return PUMPS_ERR_OUT_IDX;
 
@@ -24,6 +33,8 @@ uint8_t pumps_set_duration(uint8_t idx, uint8_t time) {
 
   pumps_duration[idx] = time;
 
+  pumps_update_config();
+
   return 0;
 }
 
@@ -117,8 +128,12 @@ uint8_t pumps_init() {
   memset(&pumps_enabled, 0, sizeof(uint8_t) * PUMPS);
   memset(&pumps_duration, 10, sizeof(uint8_t) * PUMPS);
 
-  //uint32_t durations;
-  //esp_err_t err = nvs_get_i32(config_handle, "durations", &durations);
+  size_t size = sizeof(uint8_t) * PUMPS;
+  if(!nvs_get_blob(config_handle, "pumps_duration", &pumps_duration, &size)) {
+    ESP_LOGI(TAG, "Initializing pumps config");
+
+    nvs_set_blob(config_handle, "pumps_duration", &pumps_duration, size);
+  };
 
   ESP_LOGI(TAG, "pumps_enabled: %d %d %d %d", pumps_enabled[0], pumps_enabled[1], pumps_enabled[2], pumps_enabled[3]);
   ESP_LOGI(TAG, "pumps_duration: %d %d %d %d", pumps_duration[0], pumps_duration[1], pumps_duration[2], pumps_duration[3]);