ROOTFORGE CSP is a modular germination canister designed for clean, consistent, and repeatable seed starts. The partitioned filter system keeps seeds separated, evenly hydrated, and oxygenated for fast taproot development. Ideal for multi-strain testing, controlled experiments, and reliable germination workflows.

Available in two sizes:

90 mm canister with 3-partition insert

125 mm canister with 6-partition insert

Compatible with standard round lab filter paper in 90 mm and 125 mm sizes. Search for "round qualitative filter paper fast speed" for best results. Medium speed also works if that is what you can find.

A 3MF print profile is provided for convenience.

Features
Partitioned seed chambers

Consistent hydration and airflow

Modular inserts and lid

Works with heat mats and mini greenhouses

Fast, predictable germination

Print Settings
Material: PETG

Layer Height: 0.2 mm

Infill: 20-30 percent

Supports: One part requires supports; all other parts print support-free

propagation

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ROOTFORGE CSP – Controlled Seed Partition System