Help with algae, cya 50, shock 20 FC ( and I'm losing the battle)

It seems to me that this business of reading heads or tails on a quarter is getting an awful lot of play this year; I don't remember it being so popular in the past here. As mentioned, the SLAM directions just say 'clear'.



edited - removed link to another thread; don't want to distract further from the OP's questions.
 
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