yes that's what I thought too.. It's a kit from germany, this one https://www.amazon.de/dp/B00280VZX6/ref=cm_sw_r_cp_apa_i_BXqCFbQ4FVPP1
I bought some rounded 0.3 to 0.6 mm sand that should arrive tuesday, should I remove the current sand till then so the triops doesn't injure itself?