How much
How much salt for a Innovative Marine NUVO 30L?
Pre-calculated for the Innovative Marine NUVO 30L (24 × 18 × 16 in · raw volume ≈ 30 US gal · water volume ≈ 25 US gal).
By scenario
| Scenario | Amount |
|---|---|
| Initial fill (cycling the tank) | 8.4 lb (3809 g) Or about 0.46 × 7 kg buckets / 0.15 × 22 kg buckets. |
| 10% weekly water change | 0.83 lb (375 g) 2.5 gal new saltwater. Many reefers settle here as a routine. |
| 20% bi-weekly water change | 1.66 lb (750 g) 5.0 gal new saltwater every 2 weeks. |
| Annual salt budget (10% weekly) | 43 lb (19.5 kg) Plan on 3 × 7 kg buckets per year. |
Brands hobbyists actually use
Buckets reefers actually buy at this volume. Coral Pro for high-alk SPS, Pro Reef for low-alk dosing tanks, Reef Crystals for budget mixed reefs.
Red Sea Coral Pro Salt — 22 kg bucket (175 gal mix)
Best per-gallon value for SPS tanks.
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Tropic Marin Pro Reef Salt
7–8 dKH spec. The go-to for calcium-reactor and Triton tanks.
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Instant Ocean Reef Crystals — 200 gal box
Cheapest reef salt with decent reef chemistry. Used to start.
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