Jonah Ventures

We will include individually bagged barcoded sample cups, a syringe filter, 60 mL syringes, 1 mL of preservative, instructions, and gloves. We can send you ...

At your site, suck up 60 mL of water with the syringe. Attach the syringe filter and push water through. Repeat until you cannot push any more water through...

You don’t have to push too hard in the end. The last few mL don’t help that much. But, when you have a lot of samples to push through in a day, sometimes yo...

Our typical kit includes a filter with 1µm pores. For some specialized questions, filters with different pore sizes are helpful. Sometimes for pico plankton...

Desiccation at room temperature is sufficient to stabilize DNA. Samples can additionally be frozen if desired before sending them in to be analyzed.

Nope.

We typically stop pushing water when our hands start to hurt or we get to about 1 drop per second being pushed through. The amount of extra water pushed thr...

Our testing shows that you can push about 10% more water if you use the bar clamp than our hands. Even if we assume that all that extra pushing at higher pr...

Absolutely. Please contact us for more questions. 

The best time of year to sample depends entirely on your target species and the sampling site.  For example, sampling during the target species' bre...