thank you. I'm going to buy gh test this week, my tank size is 40x35x35cm (49 liter), using spong filter(Xinyou XY-2902), I don't have airstone and feed my shrimps with Shrimp King Snow Pops and I have Ista shrimp soil, I did big waterchange slowly 2 days ago like %70 with gh+, and my tds is 180 now and shrimps looks good, today there is no death any shrimp but there is peace of molt on head 2 shrimps, here is pics, but they are moving, its a big promblem?
I didn't feed them yet 2 days now.