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it’s an excellent choice for larger aquarium systems
and detritus that contribute to algae growth
Old silicone must be completely removed before resealing (new silicone doesn’t properly bond to old cured silicone)
accelerate growth rates
Protein skimmer is usually run with the cup removed or adjusted per instructions
Aquarium Silicon 509 ASI Color:Black 10.2 fl oz it’s an excellent choice forASI 509 Aquarium Silicone (sometimes written as Aquarium Silicone 509 ASI) is a professional grade aquarium safe RTV silicone sealant used for building and repairing fish tanks. What it is A 100% RTV (room temperature vulcanizing) silicone Designed specifically for aquariums, terrariums, and glass panel sealing Cures into a flexible rubber like waterproof bond Key features Aquarium safe (safe for freshwater & saltwater once fully cured) Strong