"Gas Samplers"

Ideal tool for aquatic ecosystem studies. Collect periphyton samples with ease using this specialized sampler, perfect for water quality and aquatic ecosystem studies.

Create a suitable home for fish, brine shrimp and other marine invertebrates. A 450 g bag will make three gallons of sea water (1.020-1.025 specific gravity). (Please note: This item is recommended for use with saltwater aquaria only.)

For consistent readings underwater.