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src/app/mobisplugins/minisecchi/instructions/step4/step4.page.html

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+<ion-header>
+  <ion-toolbar>
+    <ion-title>4. Color of the water</ion-title>
+       <ion-buttons slot="start">
+     <ion-back-button></ion-back-button>
+   </ion-buttons>
+
+  </ion-toolbar>
+  
+</ion-header>
+
+<ion-content>
+  <ion-item>
+
+
+Colour of the water surface
+Estimate the Forel-Ule colour scale by looking at the water surface, away from sun glitter.
+</ion-item>
+<ion-item>
+
+<img src="assets/images/bodypos.png"><br>
+</ion-item>
+
+
+<ion-item>
+
+Keeping the sun diagonally behind you over your left or right shoulder, look down and forward to the water surface (40-45 degrees) and compare the colour of the water to the Forel-Ule index. Optionally upload another photo using the same viewing angles.</ion-item>
+<img src="assets/images/forelule.png"><br>
+    <ion-button expand="block" routerLink="/instructions/step5" routerDirection="forward" >
+
+
+Step 5
+</ion-button>
+</ion-content>