Phosphate resins for Algae control


Prolific Poster
May 20, 2005
Is it possible to use Phosguard , Rowaphos or any resin to remove excess phosphates in a planted tank?

Professor Myers

Guru Class Expert
Aug 24, 2006
They WILL remove excess phosphate, unfortunately in all likelyhood the plants will definitely suffer, and the algae will probably accelerate, and bloom.

I fell for this marketing Hog Wash back in the day. I tried damn near all of them, and never achieved this low phosphate / algae free nirvana. So I scrapped the program, and started on a strict EI regimen W/ liberal Co2. Guess what ? That Bad Ole Algae just went away. Go Figure ? I used the remnants of the program for phosphate deprivation experiments with plants. Can you say Crooked Babies ? No phosphate = UGLY crooked @$$ Plants !

If it were a controlled SW reef environment, and phosphate were an issue I'd say sure WTH ? An Aquatic Herp Tank...Maybe ? FW Planted Aquariums... No Way !!!

Rowaphos is in my opinion the best (Most Efficient), but as far as I'm concerned it may as well be poison. I had some backwash out of a reactor into the sump once. Naturally being a good custodian I did a waterchange. Unfortunately that drain goes to grey water for my lawn. To make a long story short I had a reverse mohawk in the very center of my yard for 2 years, and it's only now coming back, and that only after applying several applications of phosphate, and the past 2 years irrigation. We don't often think of filter media as a contaminant but absolutely DO NOT dump this rubbish down the drain or dump it in the yard. :eek:

I DO loath Boogie Man stories on forums. It's your call, and your decision. Personally I'd re-invest the money in Co2 or TMG and call it a day ! ;)

Be Very Careful What You Wish For. :eek:

Excess algae is the result of a Nutrient "Imbalance". Stick with W/C's and EI dosing. Mi Dos Centavos or .021152 Canadian, Prof M.