Phosphates in soil

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kevkev3321

Aquarium Advice Regular
Joined
Mar 2, 2011
Messages
86
Location
southern cali
My ten gallon has sand and soil as the substrate and I was wondering if the phosphorous in the soil would cause me to get a false reading on my pH and KH tests.

I'm using a online Co2 calculator and when I input my values it says that there are 60ppm Co2. And I know this cant be correct.
Thanks
-kevin
 
Yes, soil + trying to use pH/KH extrapolation won't work. Your best bet is to get a drop checker and use a 4dKH standard solution in it. This will eliminate the chemistry of your tank as a variable.
 
Its supersoil potting soil. The bag says 0.09% phosphate and it also contains peat.

I'm also trying to cycle and even if I change my water I get high readings of nitrItes and nitrAtes, the ammonia gets used up but The nitrites spike and then stay high they never get turned into nitrates. Can you help me

I took seed from the filter and gravel of my 100g and I bought some from my LFS
 
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