For optimal performance we recommend replacing your Hydros Filter every 2 months, or approximately every 40 gallons.
SUBSCRIPTION GUIDE
For 1 Hydros Vessel we recommend either a 2 Pack delivered every 4 months, or a 6 Pack delivered every 12 months.
For 2 Hydros Vessesls we recommend either a 4 Pack delivered every 4 Months, or get Free Shipping when you order a 12 Pack.
Please consider buying in bulk to save money, shipping and resources.
