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Ships within 48 hours · Estimated delivery Aug 8 - Aug 13
fun to observe
Range: 200 to 600 ppm
Each ml eliminates 1 ppm phosphate in 4 US-gallons of water (250 ml treats 1
and no longer needs an air stone
Many test kits on the market rely on a color change that needs to be judged by eye
Green Coris Wrasse clownfish fun to observe
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