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Zapins · 01-22-2009, 06:01 PM

The information you want is:

12.5 teaspoons = 65 grams KNO3
9.5 teaspoons = 59 grams
1.1 teaspoons = 6 grams KH2PO4
8 teaspoons = 41 grams MgSO4

I calculated this using the fertilator on APC (top left of the page, next to plantfinder) to calculate the values you want. They have teaspoons and grams there, so you won’t have to really search anymore.

If you tested it after mixing 65 grams, 59 grams, etc… with the 2 liters you would end up with (65 grams)/2000 mL = 0.0325 grams per mL. So when you take out 1 mL and add it to your 55 gallon tank it will raise the total nitrate level by 0.1 ppm. You would need to add 10 mL of liquid from the 2 liter bottle to the 55 gallon tank to raise the nitrate concentration to by 1 ppm. In your 45 gal tank you would need to add 8.3 mL to get the total tank concentration to rise 1 ppm, etc… All these confusing numbers aside, you should use the fertilator to find out how many mL or teaspoons to add to each tank.

I wouldn't recommend mixing a bottle of CSM+B and storing it over time. The minerals in it tend to encourage some kind of fungus to grow that consumes the nutrients within it. If you absolutely must add CSM+B add 1 or 2 drops of methylene blue to the bottle after you mix it (this will help reduce fungus growth).

I dose CSM+B, and all my other chemicals, directly into the tank water in dry form since they are most stable when kept dry and tend to be consumed or degrade over time when mixed in water. CSM+B is light sensitive (because of the iron in it) and so is best dosed at night when the lights are off. CSM+B will react with KH2PO4 and degrade the nutrients in both if dosed at the same time. It won't react like an explosion or anything, but the metals within CSM+B will bind to the phosphate (PO4) part and inactivate both as nutrients. This happens in very small amounts and probably isn't even an issue in a large aquarium where the two chemicals are likely to be absorbed by plants before coming in contact with each other, though in small tank, or in larger quantities it might be more of a problem. I mention this general knowledge so you can make an informed decision on how you want to dose, and how to maximize the time each nutrient spends in the water column.

01-22-2009, 06:01 PM	#3 (permalink)
Zapins Senior Member Join Date: Jul 2004 Location: CT, Connecticut Posts: 2,561 iTrader Ratings: 49 iTrader Positive Rating: 100% Plant Points: 97720	Re: Help with PPS , PPS pro , PPS classic ?? The information you want is: 12.5 teaspoons = 65 grams KNO3 9.5 teaspoons = 59 grams 1.1 teaspoons = 6 grams KH2PO4 8 teaspoons = 41 grams MgSO4 I calculated this using the fertilator on APC (top left of the page, next to plantfinder) to calculate the values you want. They have teaspoons and grams there, so you won’t have to really search anymore. If you tested it after mixing 65 grams, 59 grams, etc… with the 2 liters you would end up with (65 grams)/2000 mL = 0.0325 grams per mL. So when you take out 1 mL and add it to your 55 gallon tank it will raise the total nitrate level by 0.1 ppm. You would need to add 10 mL of liquid from the 2 liter bottle to the 55 gallon tank to raise the nitrate concentration to by 1 ppm. In your 45 gal tank you would need to add 8.3 mL to get the total tank concentration to rise 1 ppm, etc… All these confusing numbers aside, you should use the fertilator to find out how many mL or teaspoons to add to each tank. I wouldn't recommend mixing a bottle of CSM+B and storing it over time. The minerals in it tend to encourage some kind of fungus to grow that consumes the nutrients within it. If you absolutely must add CSM+B add 1 or 2 drops of methylene blue to the bottle after you mix it (this will help reduce fungus growth). I dose CSM+B, and all my other chemicals, directly into the tank water in dry form since they are most stable when kept dry and tend to be consumed or degrade over time when mixed in water. CSM+B is light sensitive (because of the iron in it) and so is best dosed at night when the lights are off. CSM+B will react with KH2PO4 and degrade the nutrients in both if dosed at the same time. It won't react like an explosion or anything, but the metals within CSM+B will bind to the phosphate (PO4) part and inactivate both as nutrients. This happens in very small amounts and probably isn't even an issue in a large aquarium where the two chemicals are likely to be absorbed by plants before coming in contact with each other, though in small tank, or in larger quantities it might be more of a problem. I mention this general knowledge so you can make an informed decision on how you want to dose, and how to maximize the time each nutrient spends in the water column.