I know! I did not know about the val problem until after I started using it. I followed the directions on the bottle. Said to do 40% water change when do the large dose the first time, then 1 cap full every day for every 50 gallons. I'm curious to see what happens with the valls though.
46 Bow Front Planted
Eheim 2217 & 2236, 2-39wt T5 bulbs (10,000), 75-78*
Amazon sword, red lotus, Christmas moss, and crypt lutea, Wisteria, Crypt Wendtii, Water Sprite.
12 pristella tetras, 23 cardinal tetra, 8 amano shirmp, 2 bamboo/flower shrimp, 1 mystery snail, 2 nerite snails, several assassin snails and cherry shrimp.