phosphate problem - The Planted Tank Forum
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post #1 of 3 (permalink) Old 03-17-2010, 05:46 PM Thread Starter
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phosphate problem

hi everybody,

i have a 65G tank, and i am using seachem product because it is the only product available in my area. i am adding 50ml of it 2x weekly.

the problem is after a day of adding it the phosphate level in my tank is 0, is it normal, because i am spending a lot of money for baying it. (16$ for 250ml ).

If it is normal, is there any other way to increase the phosphate level (cheap one please).

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post #2 of 3 (permalink) Old 03-17-2010, 06:50 PM
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Sure diy dry powders is allot cheaper then buying Seachem products there's lots of threads on this subject start with the sticky in this forum. You can get them at greenleafaquariums or aquariumfertilizer online very cheap and it lasts allot longer than pre-made liquids.

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post #3 of 3 (permalink) Old 03-17-2010, 09:32 PM
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First, phosphate test kits are not very accurate for low concentrations, and unless you calibrate them, you can't rely on the test results. But, the plants will be using up the phosphates as soon as you add them, so having the concentration drop off is normal. Seachem's dosage recommendations seem to be for low light tanks, so if you have a high light tank you need to dose a lot more than they recommend. I think most people dose double their recommendation or even more.

Can you get something like Fleet Enema there - a phosphate based enema solution? If so, you can dose that for phosphates, but be sure it doesn't contain miineral oil or other active ingredients.

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