how to retify my shrimp is female or male?

No-planaria will kill planaria without harming the shrimp, but snail will be killed too...

Don't overdose no planaria. If notice lot of dead planaria around, do water change as ammonia build up from decompose dead planaria will harm your shrimps.

Don't overdose no planaria. If notice lot of dead planaria around, do water change as ammonia build up from decompose dead planaria will harm your shrimps.

Try fishop in penang.

hi sifu sifu~ recently all of my tanks have got this kind of worms...is it planaria? it doesnt look like 1 though

bad molt and planaria both kill shrimps, shrimps are more vulnerable to planaria/fish attack just after they molt as the body is still soft.
Bad molt may due to lot of reason , one most common is low water GH.
Try provide more info like
which soil used? water ph ? kh , gh and tds if possible.

and i can confirm No-Planaria won't kill Nematode.  It will kill Hydra though.

have around 10 pieces. 3m:7fm

Not planaria. Planaria got triangle head.
Put in some fish like galaxy rasbora to eat them.

perhaps its a molting problem? check the GH of the water.

perhaps its a molting problem? check the GH of the water.

perhaps its a molting problem? check the GH of the water.

Red Fire or cherry shrimp - they are more affordable for beginners. I hv tried many times but never knew the reason they died all at the same time.

perhaps its a molting problem? check the GH of the water.

IMHO , If you will only to keep neocaridina type shrimps like cherry, rili , fire red , yellow, PH is not that important as they can adapt to it, the one you need to take care of is the GH and TDS , try to attain a GH of 6 to 8 and a higher TDS of 200++. However if you will to increase your tank existing GH and TDS , try to do it gradually.
Products like seachem equilibrium , UP aqua GH UP , Borneowild GH UP , Mosura Mineral Plus will either increase GH or TDS or both. 
Cheap old man solutions will be using coral stone in the filter but you can't control the PH/GH/TDS that it keep increasing in the long run if this method be employed.