SEAPREP-20L
SeaPrep 20 L
Load salt once, then make seawater a batch at a time. For a home reef with no room left for a mixing barrel.
Built forHome reef keepersCoral keepersSmall display tanks
- Founder Edition
- $699
- List price
- $1,000
- Production batch
- Founder Edition, batch 1
- Shipping window
- Ships December 2026
- Units in this batch
- 40
Coming soon

Specifications
- Working chamber20 L
- Net yield per batchUnder validationSubject to final testing · In validation
- Yield per salt load≈240 LSubject to final testing · In validation
- Target salinity35.0 PSU
- Accepted batch tolerance±0.5 PSU
- Preparation time per batchUnder validationSubject to final testing · In validation
- NoiseUnder validationSubject to final testing · In validation
- Power drawUnder validationSubject to final testing · In validation
- Dimensions and weightUnder validationSubject to final testing · In validation
- Water inputBuilt-in RO/DI
- IntegrationReady output + Deliver Request input
20 L is the working chamber volume, the size of one batch — not how much seawater the unit stores. Nothing is kept standing between batches. One salt load yields approximately 240 L of prepared seawater.
What's included
- SeaPrep 20 L unit
- Salinity probe and PT1000 temperature sensor
- Inlet and outlet fittings
- Founder Edition documentation