Originally Posted by Seattle_Aquarist
I have been using Glut instead of Excel for about 6 months now and I find it works as good as Excel both as a source for carbon and as a algae inhibitor. I buy mine here: http://www.emsdiasum.com/microscopy/...raldehyde.aspx
. See post #114 on page 12 of this thread for information as to price and more importantly, hazmat and shipping costs. BTW, Excel contains 1.5% glutaraldehyde.
Thanks im about to get it then.
But how about the beginin about 2.5 percent? That didn't seem harmful?
How is ODing working for u when u use it to combat algae? Do ur plants die as well? How about shrimps and fishes?
I have been told it is more harmful.