This box contains 6 standard vials of Bio Digest. BioDigest Standard: For aquariums between 30-250 gallons, dose 1 vial every 15 days.
Long shelf life thanks to single-dose glass vials being packed with argon gas to eliminate oxygen. Does not require refrigeration; Simply store at room temerature
Glass vials are tinted; Active ingredients are protected against UV exposure
Concentrated formulas are highly effective and economic
Suitable for Freshwater or Saltwater
Description
ETH Heaters are the first external heaters for aquariums with the exclusive PTC technology. The self-limiting PTC heating element guarantees maximum safety against any risk of overheating. Designed to be used on return lines coming from canister filters or sumps.