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general hardness or gh
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  1. Shrimp & Other Invertebrates
    I've have a few(4-5) cherry shrimp die on me lately, and I'm not really sure why. I think it may be a molting issue as I have not seen an exoskeleton in a while. Tank is a well planted Spec V with a Finnex 24/7 and pressurized CO2. It's been running for 2 years now, no issues. Weekly 50% water...
  2. Plants
    I realize that various sp. of Crypts tolerate/thrive in a variety of hardness ranges, but is there a recommended range or can someone point me to a resource that lists a variety of Crypts and their recommended hardness ranges? Preferably whatever degree GH as the same unit the API test kit is...
  3. Fertilizers and Water Parameters
    Hello everyone, I hope this is the right place to post this. I've been having troubles with my duckweed (I know its supposed to be immortal but I apparently found a way to kill it off). The only other plant in my tank is an Amazon Sword (some type of sword plant, not 100% that its Amazon). My...
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