Multi Reference 100 ml

Fauna Marin Multi Reference is a saltwater calibration standard for verifying reef test kit accuracy, letting hobbyists check home tests — including Trident — against certified lab values.

• Reference values: Calcium 422 mg/L, Magnesium 1315 mg/L, Potassium 409 mg/L, Salinity 35 ppt (53.0 mS @ 25°C), Alkalinity 6.6 dKH (2.35 meq/L), Strontium 8 mg/L, Nitrate 10 mg/L, Phosphate 0.2 mg/L
• Based on a true saltwater matrix, not a synthetic solution
• Quality-tested via Fauna Marin's own ICP-AES lab equipment, with every batch verified at their Seawater Research Laboratory

Hobby test kits drift as reagents age or technique varies, and a single odd reading can send you chasing a dosing problem that doesn't exist — testing this known-value reference solution against your kit reveals whether the kit itself is off, so you can apply a correction factor instead of second-guessing your tank.

Compatible with: hobby-grade colorimetric/titration test kits and ICP-style meters (e.g. Neptune Trident); also usable for refractometer calibration.

Note: reference values may vary slightly by production batch — check the bottle label for your lot's exact figures.

At Marine Concept Supply, all sales are final. Due to the sensitive nature of live animals and aquatic products, we do not accept returns or exchanges under any circumstances. Please review your order carefully before completing your purchase. No Cancellations.

If you have any questions or concerns about your order, please contact us at shop@marineconceptsupply.com and we’ll do our best to assist you.

We Ship UPS and will send tracking as soon as the item ships. 

Return shipping for any approved warranties are not covered and will be subtracted from the approved credit total.

Restock Fees apply to some products, due to their size or a manufacturer policy.Each product with a restock charge is marked online, in the description.

Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right