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[APD] Refrigerating Flourish Iron

You'd think I would know the answer to this, but I wanted to double-check:

Finally decided to cut costs (and trips) by purchasing Flourish Iron in the 
large "Professional Size" jugs, refrigerating the jugs while refilling the 
small bottles from same. However, the solution has changed from its normal 
honey gold to almost black and is considerably less transparent. Flakes have 
also formed on the bottom, and I'm assuming that some gluconate may 
crystallize out as the cold causes the solution to come to a near 
super-saturated state.

I do shake the jug well before refilling a bottle, but the smallish bottle 
is normally used up before I can tell if the FI returns to "normal".

Other than perhaps affecting its immediate solubility, can anyone think of 
any detrimental effects while keeping the jug "on ice"? The plants certainly 
don't seem to display a preference, nor do the tanks' clarity suffer from a 
darker solution considering the dosing level...


David A. Youngker
jaafaman at comcast_net

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