

SALE PROHIBITED TO PERSONS UNDER 18 - FREE SHIPPING FROM €40 (Mainland Spain only - Max. 25 Kg)
10 GROWMAX Deionization Filter is the cartridge designed to obtain ultrapure water (0 ppm) from osmosis equipment, ideal for indoor cultivation where the stability of the nutrient solution is everything. Compatible with systems such as Maxquarium 000 PPM and KITDI10, it stands out for its easy installation and immediate performance.

h2>Buy 10" GROWMAX Deionization Filter Cheap
This mixed bed resin cartridge is designed to polish osmotized water and bring it to extremely low conductivities, practically eliminating all residual mineral salts.
The cation-anion mixture traps calcium, magnesium, sodium, carbonate, sulfate ions and traces that remain after the membrane, delivering water with ppm close to zero.
The standard format of 10″ x 2.5″ (25 cm x 6 cm) allows integration into universal 10″ housings; the set usually includes a 10″ blue housing, white metal bracket and quick fittings for inline connection. For quality control, a TDS/EC meter at the outlet is enough: when the reading rises from 0–5 ppm, it is advisable to replace the resin.
The use of deionized water provides clear advantages: more predictable solutions, lower risk of precipitation, absence of batch-to-batch variations, and maximum compatibility with any fertilization plan. In irrigation systems with fine drippers, it reduces scaling and helps keep emitters clean.
In addition, the mixed bed resin finish offers fast exchange kinetics, maintaining a stable flow rate and minimal pressure drop.
Manufactured by Growmax Water, a benchmark in technical horticulture water treatment, the replacement fits at the end of the osmosis line for a “post-treatment” that takes purity to the next level.
In professional indoor growing, water quality determines EC and pH uniformity. With the 10 GROWMAX Deionization Filter you start from 0 ppm, adding fertilizers precisely and repeating recipes without deviations. This impacts root vigor, rhizosphere stability and uniformity among plants, even in rooms with high emitter density.
It is used to eliminate 100% of the mineral salts remaining after osmosis, reducing TDS to minimal values. It is key when clean nutrient solutions are sought, irrigations with very fine microdrip or crops sensitive to bicarbonates and hardness. It is also useful for preparing rinse water in lines and tanks, minimizing lime deposits.
Works together with sediment prefilters, carbon, osmosis membranes, check valves, TDS/EC meters and preparation tanks. Incorporating the cartridge as a final stage protects irrigation accessories (drippers, venturis, valves, injectors) and makes it easier to water indoor crops with less risk of blockage from salt scaling.
Inline installation, at the outlet of the osmosis unit: fix the metal bracket, mount the 10″ housing, insert the deionization cartridge and connect with quick fittings. Perform initial purge until a reading of 0 ppm is obtained. Maintenance: monitor TDS; when the reading increases (e.g., > 5–10 ppm), replace the cartridge. To prolong service life, ensure good performance of previous stages (sediment and carbon) and check the working pressure recommended by the manufacturer.
Competitive price considering the indirect savings: lower consumption of correctors, reduced cleaning due to scaling and better crop consistency. There are packs with 10″ x 2.5″ housings and consumables that optimize the cost per liter of 0 ppm water.
Available at Hydroponics Blanes, a trusted Grow Shop with discreet shipping. The online grow shop offers advice to size lines, choose TDS/EC meters and combine with irrigation accessories and tanks, integrating the system into any room or grow tent.
Specifications and compatibilities:
• Manufacturer: Growmax Water
• Media type: mixed bed resin (cationic + anionic)
• Cartridge format: 10″ x 2.5″ (25 cm x 6 cm)
• Housing: 10″ blue with white metal bracket
• Connection: quick fittings
• Diameter (mm): 25
• Compatible: Maxquarium 000 PPM and KITDI10
• Contents: 1 filter
Those seeking maximum precision find in the 10 GROWMAX Deionization Filter an ally to standardize the starting point of the water. Working with 0 ppm eliminates the variable of residual hardness and allows any fertilizer program to be adapted with total control. The result is reflected in pH stability, greater nutrient availability and fewer surprises from unwanted precipitation.
For new or already operational installations, post-osmosis integration is quick and reversible.
This replacement facilitates planned maintenance, simplifies water quality audits and helps preserve lines, tanks and emitters.
It can be purchased at Hydroponics Blanes with discreet shipping from the online grow shop, along with TDS/EC meters, housings, pipes and other elements that complete an efficient and reliable irrigation system for indoor growing.