Nick
I had very high Phosphates as well in my tank, the test kit went to full colour (5ppm) in <10 seconds not the 2 minutes stated. I now use D&D RowaPhos Phosphate remover in one of their fluid bed reactors. It got rid of the phosphate in a day and really stunted the growth of the blue-green stringy algae.
I still get the light green stringy algae but that is from my (still too high) nitrate level.
There are other equivalent products for Rowaphos from other vendors as well but I have no experience with those.
Liam
-----Original Message-----
From: Nicolas Munro [mailto:nmunro at qld_yokogawa.com.au]
Sent: 10 August 2005 04:47
To: aquatic plants digest
Subject: [APD] Phosphates too much? any alternative answers to reducing the problem.
Hi,
I have a Hagen test kit which says under 1 ppm is ok (as far as I can
recall) and the test measurement should be taken after 2 minutes of
reaction and it has a high level of 5ppm.
I'm getting a high reading of Phosphate in my water. When I test my
water I get more than 5ppm in just 30 seconds which to me indicates a
problem.
My fish tank is suffering from algae which sticks on the glass and also
makes the water a slight green / yellow colour.
My question is simple but I can't find many alternatives, how do I
reduce the phosphate?
I've got lots of live plants, I've tried underfeeding my fish for a
week, I've tried replacing water very regularly (more than 90% for a
couple of weeks/water changes) - my tap water by the way has 0.5ppm
Phosphate after a reaction time of 2 minutes.
_Are there any alternatives? _
=Nick
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