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post #18 of (permalink) Old 01-29-2013, 09:06 PM
Seattle_Aquarist
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Location: Seattle, WA
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Quote:
Originally Posted by UDGags View Post
Probably no

Most contain urea (listed on back as ammonical nitrogen sometimes), which breaks down into ammonia.

And a good portion contain heavy metals, which are toxic as well. Check the contents of the one you want to buy here

http://agr.wa.gov/PestFert/Fertilize...ct1.aspx?ltr=M
Hi All,

UDGags is absolutely correct regarding the heavy metals.

I use Miracle Grow Water Soluble General Purpose for my emersed growth plants but I will not use the product in my aquariums because it contains: Arsenic, Cadmium, Cobalt, Mercury, Molybdenum, Nickel, Lead, and Cobalt (Co). I value my fish (or invertebrates) too much to do that.

Roy
75 Gallon, 2X55W AH Supply CF 8800K, 1XMarineland Doublebright, 2X Marineland 350 Magnum; 45 Gallon Tall, 96Watt AH Supply CF 6700K; 30 Gallon Long; Fluval F&P 2.0 36"/46W; 20 Gallon, 1X26W AH Supply LED kit; all with Press. CO2; (Calcined) Montmorillonite Clay
Greater Seattle Aquarium Society (GSAS)

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