First off, let me say these little balls are *adorable* in the tank. The mix of orange and gray adds a fun pop of color, especially against green plants. My betta kept flaring at them initially—maybe he thought they were rival fish!

**The Good:** Within days of adding them, I noticed my shrimp swarm the small balls like they’re at a buffet. The water clarity improved noticeably in my 10-gallon tank (which usually has slight cloudiness). They’re lightweight, so my mystery snail bulldozes them around—free tank redecorating!

**The Meh:** Do they actually mineralize the water? Hard to prove. My test strips didn’t show dramatic PH changes, but my fish *do* seem more active. One pleco treats the large balls like a soccer ball—entertaining but not exactly ‘mineral supplementation.’

**Watch Out:** RINSE THEM THOROUGHLY. One batch left dusty residue (fixed after soaking). Also, heed the negative reviews—if your critters act odd, remove the balls immediately. My friend’s crawfish had a scary reaction (full recovery after removal).

**Final Verdict:** Great as enrichment/decor with *potential* benefits. Buy for the shrimp parties and snail soccer, not as a miracle supplement.