Seachem MultiTest Silicate
Seachem MultiTest Silicate is a sensitive aquarium test kit designed to measure soluble silicate in both freshwater and marine aquariums. It is particularly useful in marine and reef systems, where elevated silicate levels can contribute to unwanted diatom algae growth.
The kit measures silicate from 0–25 mg/L and can detect levels below 0.5 mg/L, making it suitable for routine monitoring and troubleshooting. It also includes a reference sample so you can validate the test if required.
Key Features
- Measures silicate from 0–25 mg/L
- Detects silicate levels below 0.5 mg/L
- Suitable for freshwater and marine aquariums
- Includes a reference sample for test validation
| Measurement Range | 0–25 mg/L |
|---|---|
| Detection Sensitivity | Below 0.5 mg/L |
| Application | Freshwater and marine aquariums |
FAQ
Can this test kit be used in both freshwater and marine aquariums?
Yes, the Seachem MultiTest Silicate is suitable for both freshwater and marine aquariums.
What is the lowest silicate level this kit can detect?
The kit can detect silicate levels below 0.5 mg/L.
Does the kit include a reference sample?
Yes, it includes a reference sample to validate the test results if needed.

Theresa Parr –
I use this kit regularly in my reef tank. It’s very accurate and helps me keep silicate levels low to prevent diatom blooms. The instructions are clear and the test strips are easy to read.
Kevin Hudson –
Good sensitivity for detecting low silicate levels. Works well in both marine and freshwater setups. The reference sample is helpful for confirming results.
Michael McDonald –
This is the most reliable silicate test I’ve used. I noticed a significant improvement in water clarity after adjusting my dosing based on the readings.