Re: [APD] High phosphate levels

["Erin Collins" <collinsexpress at comcast_net>]

I don't know much about Kent's plant fertilizers but I have found that many
of them are high in phosphates.  What are you feeding the tank?  Many times
the phosphates are coming from the amount of food and high number of fish.
As for the old log, you will have to wait for the more educated to pipe in.


Regards,
Erin 
-----Original Message-----
From: aquatic-plants-bounces at actwin_com
[mailto:aquatic-plants-bounces at actwin_com] On Behalf Of David Gruver
Sent: Sunday, December 18, 2005 7:04 PM
To: aquatic-plants at actwin_com
Subject: [APD] High phosphate levels

I have a 140 gallon tank with various plants.  This is a discus tank.  The 
light level is 4 watts per gallon, and I use 1 Carbo Plus for CO2. I 
fertilize with Kent Freshwater plant liquid fertilizer and plant tabs in the

gravel.  Several years ago the plants did well and were growing at a fast 
rate.  Now most of the plants are dying and algae is growing in the gravel 
and around the plant roots. I plan to tear most of the plants out and plant 
new ones.  I have a uv light which kills the floating algae and keeps the 
water very clear.  The phosphate level is very high at over 10 ppm.  I 
started changing 20% of the water every week with filtered water that has no

phosphates. I have been using the filtered water for 2 months now. The 
phosphate level is still as high as it was when I started using the filtered

water.  I have an old log in the aquarium that I found in a stream.  I'm 
wondering if the high phosphates could be from the log, the gravel, the 
fertilizer, or none of the above.
Thanks,
David Gruver


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