shrimp

Why do I have shrimp in my salt water pool? They are very, very tiny, but those are definitely shrimp. The second image shows them in relation to the bottom of a small beach bucket so you can see how small they are, maybe 1/2 cm. FC 6.5 pH 7.4 TA 80 CH 300 CYA 50

I was emptying the bag from our pool vac, and found some small (≈5mm) pink-orange shrimp or copepods in the bag. I let the bag dry out before I empty it, so I’m not sure if they’re a different color before they dehydrated. I’ll try to get some pictures next time. Anyone else ever find aquatic...