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blackening

  1. Shrimp & other Invertebrates
    hello, i have a heavily planted 2 gallon tank for shrimp, which has been cycled and stable for months. but i've been having a hard time keeping shrimp. my latest batch has been in the tank for a few days. i have no ammonia and no nitrates or nitrites. the temperature is mid 70s. i just ran out...
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