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Discussion Starter · #1 ·
Why do clear suction cups turn white? Is there a way to keep them clear? Specifically I’m referring to my pH drop checker’s suction cup. I like the drop checker but can’t stand the white suction cup (that was perfectly clear when I first out it in the tank). Any ideas?
 

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snails are your friend
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I once super glued my drop checkers to algae magnets. Not a cheap fix seeing as those magnets are pricey, but beats finding the glass on the bottom of the aquarium. Why in 2020 manufacturers are still making suction cups for use in aquariums is beyond me, but at least the black ones used for heaters and powerheads last a bit longer.
 

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Discussion Starter · #4 ·
Awesome, I was not aware, so thanks for the link!!
 
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