I read some positive reviews about AlgExit, so when i chanced upon it at a shop a few weeks ago, i decided to get a bottle to try out.
Although i don't have any major algae issues in my tanks at the moment, i do allow a layer of green fuzzy algae to grow on bare hardscape, which i actually consider as part of the aquascape. So i figured it would be interesting to see the treatment's effect on this type of algae (in case i need to manage it in the future).
I dosed according to the bottle instructions at 1 ml per 10 liters of tank volume per week. My tank volume is around 64 liters so i dosed slightly less at just 6 ml each time. The active ingredient listed on the bottle is salicylate.
There was no change in my routine maintenance, water changes, lights, Co2, fertilizer dosing or feeding regimen... everything was still kept the same. No noticeable issues encountered with the fishes and shrimps during the treatment, so it seems to be safe with most fauna.
Here is the effect shown on Week 1 (left photo) vs Week 4 (right photo):
From the side-by-side comparisons, the treatment worked quite well to gradually reduce this type of algae. At least now i know how to manage it if required.
After completing the 4 week recommended treatment course, i missed seeing the nice green fuzzy algae covering the rocks... so i've since stopped treatment dosing to allow the algae to grow back. :)
- Update (12 October 2014) -
Since i had a fair bit of extra AlgExit solution leftover, i decided to do a follow-up side-by-side comparison test of the effects of this algae treatment to see the difference between tank water samples that have it added versus those that don't have any treatment.
I set up the comparison by using 2 clear plastic containers, one has old tank water with AlgExit added, while the other one also has the same old tank water but no AlgExit added. Both containers are overdosed with Tropica Specialized fertilizers (contains macro + micro nutrients) and are placed outdoors at a balcony area which receives full direct sunlight.
Left Container: With AlgExit / Right Container: Without AlgExit
After a week, these are the results...
The container with AlgExit added has very little traces of algae... on the otherhand, the container without AlgExit has a visible coating of green algae.
I guess this simple comparison demonstrates the effectiveness of AlgExit at helping to inhibit green algae growth. :)