Fertilizer- Miracle Grow Tomato Fertilizer containing;
Total Nitrogen - 18%
14.0% Urea Nitrogen
1.4% Ammonian Nitrogen
2.6% Nitrate Nitrogen
Soluble Potash- 21%
Copper - .05% (shrimp still alive)
I'm going to explain why it's a bad idea to use this stuff...and then I'm going to sit back while you dose your tank with ammonia, urea, and copper.
First of all, the guaranteed analysis of this fertilizer contains ammoniacal nitrogen (N-NH3) and urea nitrogen. When a tank is cycled to establish the bacteria, what does one test for? Ammonia and nitrites. A tank can be considered when those levels hit 0 which means the established bacteria is capable of breaking down that ammonia and nitrate before it poisons fauna. So what are you doing adding more ammonia? Urea is a waste by-product and again, is also harmful to fauna. It's associated with alga blooms in pond/streams contaminated with agricultural runoff.
Lastly, you're also dosing copper into your tank. Although many foods contain copper as well as the common micro trace mixture, Plantex CSM/CSM+B, that copper is chelated copper. This tomato fertilizer contains water soluble copper.
Refer to: http://www3.interscience.wiley.com/j...TRY=1&SRETRY=0
Originally Posted by Acute Toxicity of Copper Sulfate and Chelated Copper to Channel Catfish Ictalurus punctatus
Estimates of mean 96 h LC50 values were 0.05, 0.73, 0.95, and 0.98 mg/L as Cu for copper sulfate and 0.06, 1.51, 1.97, and 1.74 mg/L as Cu for the chelated copper product in waters having total alkalinities of 16, 76, 127, and 240 mg/L CaCO3 respectively.
All I wanted to illustrate here was that water soluble copper concentrations are much more deadly than chelated copper concentrations, so despite food and CSM+B containing copper, what you're dosing is much more bioavailable and deadly.
Good luck with the tank! Unfortunately, I have a feeling you're going to need it.