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  1. Fertilizers and Water Parameters
    Hi, I recently bought a bag of magnesium sulfate (MgSO4) heptahydrate from AAAquatics and can't seem to work out how much I need to add to reach a desired PPM of Magnesium. Considering GH test kits would only test for the magnesium in (MgSO4) heptahydrate, I must be making a mistake in my...
  2. Other Websites
    Hi Everyone, I recently discovered a new(ish) website, which can be found at the following: aquarium science dot org (mod edit to remove link - visit at your own pseudoscience risk) I find the above site to be very informative. I'll leave it to all you aquarists out there to decide for...
  3. Substrate
    I may be new to planted tanks, but I'm not new to rocks. I majored in geology and I've noticed that most "aquarium safe rocks" lists are somewhat... limiting. I have seen a lot of conflicting information, and I think it largely comes down to two mindsets: Some people ONLY recommend inert rocks...
  4. Fertilizers and Water Parameters
    If I have 1ppm of ammonia out of my tap that's going into my tank does that mean I will have 1ppm of nitrite then 1 ppm of nitrate as the nitrification reaction proceeds? Say if I'm doing a 50% water change that will immediately be cut in half- so 0.5ppm of ammonia turns to 0.5ppm nitrite...
  5. General Planted Tank Discussion
    Hi All, I know dosing bicarb and alum is standard practice in salt tanks to maintain pH levels, and I know the formula for bicarb is (tank gallons)x(0.15)x(number of 0.10's intended pH raise). For instance raising a 5000g tank by 0.10 units would be 5000x0.15x1=750g bicarb. And half amount for...
  6. Fertilizers and Water Parameters
    I'm trying to make a solution of KNO3 from Ca(NO3)2 and K2SO4. I've only ever done high school chemistry, and that was five years ago so I really need someone to check this in case I screwed up horribly :red_mouth K2SO4 + Ca(NO3)2 --> CaSO4 + 2KNO3 Room temperature here is always around...
  7. Fertilizers and Water Parameters
    This is, I'll bet, a pretty dumb question for those knowledgeable. I've been keeping aquatic plants for years, but have recently taken things full-bore and built a new stand with canopy that has big light output going in cycles (I have morning/ noon/ evening and lunar cycles), and I purchased a...
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