Helps a lot...
it Does these:
1-minimizing chemical changes in the water.
2-preventing sudden dangerous drops in acidity.
3-reducing phosphate and Nitrate
4-preventing excessive algae growth
therefore reducing the water change need .
and of course :
5-ADDS VITAMINS, TRACE ELEMENTS AND MINERALS
enough??? Grab One(getting a 500Ml bottle is much more economical) and enjoy