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where to store?

1535 Views 9 Replies 5 Participants Last post by  hellohefalump
I've made my mixtures, should they be stored in the fridge or at room temparature?
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Mixtures of what?

Generally speaking no but it depends on what you mixed.
My PPS mixtures:

Macro Solution

In 1 liter bottle:
59 grams K2SO4 (Potassium Sulfate)
65 grams KNO3 (Potassium Nitrate)
6 grams KH2PO4 (Mono Potassium Phosphate)
41 grams MgSO4 (Magnesium Sulfate)
Fill with distilled water and shake well. Let sit overnight.

Micro Solution

In 1 liter bottle:
80 grams of CSM+B or equivalent trace element mix
Fill with distilled water and shake well. Let sit overnight.
I don’t store them in the refrigerator. I keep them in a closet next to my tank.

Under these conditions, my macro solutions eventually develop a precipitate. I am using reagent grade chemicals and distilled water to make my solutions and they are clear when I start.

I don't know if refrigration would help.
I get fungus in mine much more quickly if I keep it at room temp. It still happened in the fridge for me too, just took longer. I read something about people using a few drops of hydrochloric acid in their solutions to keep fungus from growing, but I don't remember exactly how much or if you just use it for micros, macros, or both.

Fungus was less of a problem for me with the macros, so I've just been keeping that at room temp. There's another reason that I keep my CSM+B and iron solutions in the fridge too; I don't know about the stability of the chelators. I had some chelated iron solution (kept at room temp) turn from orange to very light yellow after some time... That may be a fluke though and have nothing to do with the chelators. I know that some commercial micros like Tropica Plant Nutrition Liquid will last a very long time at room temp.
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Hi
Add few drops of any clear LFS Fungus Medication into the solutions and store them anywhere you like.
I haven't tested this yet but i read somewhere that a few drops of citric acid will work, also has anyone else seen that or tried it?
My tank is really big (100gals) so one litre of my solutions will only last me approx 2 weeks - is that enough time to have fungus issues?

Add few drops of any clear LFS Fungus Medication into the solutions and store them anywhere you like.
that sounds like a really good idea!

I haven't tested this yet but i read somewhere that a few drops of citric acid will work, also has anyone else seen that or tried it?
would lemon juice work? Because I know lemon juice isn't toxic to fish - we used to use it to clean tanks when I worked in the LFS!
My tank is really big (100gals) so one litre of my solutions will only last me approx 2 weeks - is that enough time to have fungus issues?
Two weeks????

1 L = 1000ml
1000ml/10ml/day = 100 days

100 days/ 7 day/week = 14 weeks

BTW I don't know how you can add a few drops of citric acid to your solutions as citric acid is a solid. My feeling is that lemon juice will only make the problem worse. I'd stay with fungicide or HCl.
Two weeks????

1 L = 1000ml
1000ml/10ml/day = 100 days

100 days/ 7 day/week = 14 weeks
yep yep!!!! I grossly miscalculated! I know you read my other thread, as you replied to it :)
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