Growonix EX200 Reverse Osmosis Filter - 200 GPD - 3/8-in Feed

Cleaner Feed Water for Hydroponic Reservoirs - 200 GPD

Tap water carries dissolved solids and chlorine that can throw off nutrient mixes and stress plants. This reverse osmosis system pairs sediment and carbon filtration with a polyamide thin-film composite membrane, rated at 96% nominal salt rejection, so your reservoir starts from a more consistent baseline.

At 200 gallons per day of membrane capacity, this unit suits home gardeners and small to mid-size indoor setups that need steady top-off and mixing water without a large installation. It measures 14 x 7 x 15 in, so it fits in tight utility spaces.

Key Features & Benefits

• Thin-film composite membrane — rated at 96% nominal salt rejection to cut dissolved solids.
• Carbon capacity of 8,000 gallons — reduces chlorine before water reaches the membrane.
• 3/8-in quick-connect feed — simplifies hookup to your water supply.
• Powder coated steel bracket — holds the housings in a compact, durable frame.
• Polypropylene housings — resist corrosion in wet environments.

Who Should Use Growonix 200 GPD Reverse Osmosis Filter

Choose it if you run hydroponic systems or indoor cultivation and want cleaner source water for mixing nutrients. It works for hobbyists and small operations with moderate daily water needs.

About Growonix 200 GPD Reverse Osmosis Filter

Growonix makes this reverse osmosis system with one GXM-200-HF membrane in a polypropylene housing. It operates on feed pressure of 40 to 80 psi and feed water up to 2000 ppm TDS. It is sold each, and a user manual and quick start guide are available from the manufacturer.

Frequently Asked Questions

Q: What feed pressure does it need?
A: The listed feed water pressure range is 40 to 80 psi. A booster pump upgrade, model BP-1530, is available if your supply pressure is low.

Q: Can it treat very hard or high-TDS water?
A: Feed water should stay below 2000 ppm TDS. Maximum hardness is listed as 0 gpg, so softening hard water first is advisable.

Q: What does nominal salt rejection mean?
A: It is the percentage of dissolved salts the membrane removes under standard test conditions. This unit is rated at 96%. Real results vary with feed water and pressure.

Q: What size is the filter cartridge?
A: The filter size is 2 x 12 in. The system measures 14 x 7 x 15 in overall.

Q: What temperature range can it handle?
A: Feed water and ambient temperatures are listed from 40 to 113 °F. Keep the unit protected from freezing.