You said you dont have a bucket, but you have to have something that would work to transfer your animals.   
 
Large bowls, sandwich bags? 
 
I could fit your stuff in my fuge until you can afford to buy new salt and correct this problem. 
 
You could also try your alk and Ph tests a few more times, try to average the results, and then use the buffers you said you have. 
		
	
		
		
		
		
			
		
		
		
		
	
		
		
	
	
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