Microbe-Lift Sili-Out 2 Silicate Remover

Microbe-Lift Sili-Out 2 Silicate Remover

  • Removes contaminants and dyeing substances quick and efficiently
  • Specific reduction of silicate, phosphate, barium, arsenic and chrome
  • For marine and freshwater aquariums
  • Enhances plant and coral growth
  • Prevents the formation of brown algae
In stock, only 18 left
Free shipping on orders over € 60,- within Germany Change region
Express delivery possible
1-3 business days - order within the next 4 hours and 10 minutes and we’ll deliver tomorrow at the earliest
I want to order to 

Item question

We’re here for you!

Please enter your question and e-mail and we’ll contact you as soon as possible. It usually takes us up to 24 hours during business days to respond.

Thank you for your question!

Thank you, we’ll get in touch!

Close window

You already sent us a question.

Please wait a few minutes


Sili-Out 2 from Microbe-Lift is an aluminium-based granular filter medium for use in fresh and marine water aquariums. It removes unwanted silicates quickly and effectively from the water, and thus prevents the growth of diatoms and other brown algae that need silicate to grow. Contaminants such as phosphate, barium, arsenic and chromium as well as dyeing substances are also efficiently bound and permanently removed from the tank. The water quality is noticeably and permanently improved, which is reflected in the growth of rich and healthy plant and coral growth. The application of Sili-Out 2 is harmless for animal aquarium inhabitants and the pH-value of the water is not affected.


  • Removes silicate, phosphate, barium, arsenic, chromium and dyeing substances in a targeted and efficient manner
  • For an optimal water quality in the aquarium tank
  • Promotes healthy and rich growth of plants and corals
  • Harmless for animals
  • Application in marine and freshwater aquariums
  • Based on aluminium with a degree of purity >99 %
  • pH neutral
  • Successfully and reliably counteracts brown algae growth


From Sili-Out 2, 50 ml per 100 l of water are used according to the recommended dosage. If necessary, the dosage can be increased over time up to 100 ml per 100 l of water.
Before application, it is necessary to rinse Sili-Out 2 thoroughly to remove any abrasion. It is, then, best used in a fluidised bed filter or filled into a filter stocking and placed in a well flowed place in the aquarium, such as the internal or external filter.


In saltwater aquariums the phosphate level should ideally be between 0.02 - 0.05 mg/l, silicate should not be detectable in the water.
For the duration of one application, of Microbe-Lift Substrate Cleaner to remove phosphate deposits, Sili-Out 2 must be removed from the aquarium circuit until the water is clear again.
The aluminium based Sili-Out 2 is best applied monthly alternating with Microbe-Lift Phos-Out 4 which is based on iron hydroxide. This prevents the undesired accumulation of aluminium or iron in the aquarium.



MICROBE-LIFT®, a brand of the American company Ecological Laboratories, is known worldwide for its natural water purifiers. The fight against pollutants is effectively realised through the use of various highly specialised bacteria. These help to restore the balance in the aquarium, should it ever get out of sync. MICROBE-LIFT® products also help with problems during the start-up phase. A wide range of effects is achieved through the combination of different bacteria. Almost all known water problems can be solved in an environmentally friendly way with MICROBE-LIFT® water conditioners. All products are non-toxic and biodegradable. The result: clean water, healthy animals and optimal plant growth.

General information

Item no.
Shipping weight

Customers ask customers

You have questions about this product? Ask other customer or our support team about this product!

Customer reviews

This item has not been rated
Please sign in if you want to write a review. Sign in
5 Stars(0)
4 Stars(0)
3 Stars(0)
2 Stars(0)
1 Star(0)