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FloraMicro Hard Water GHE is the intelligent foundation of the legendary 3-part nutrient system, specifically engineered to turn difficult tap water into a goldmine of nutrition for your crop, ensuring vigorous structure and total nutrient absorption. Unlike standard bases, this formula is designed to work with the calcium already present in your water, not against it.
There is nothing more frustrating for a grower than seeing your results change from one crop to the next, even when you think you are doing everything the same. You use the same lights, the same genetics, but suddenly your plants show mysterious spots, slow growth, or burnt tips. Dealing with hard water (tap water with high mineral content) often feels like fighting an invisible enemy that sabotages your stability.
This inconsistency eats away at your confidence. You start buying additives you don't need, flushing roots desperately, and wasting time trying to guess if it's a magnesium deficiency or a pH lockout. Meanwhile, your plants are stressed, and you know that stress equals less weight on the scale. Trying to grow professional-grade weed with unstable water parameters is like trying to drive a sports car on an icy road.
FloraMicro Hard Water GHE is the tool that puts you back in the driver's seat. By using a formula specifically chelated to handle high Calcium levels (above 70mg/L), you eliminate the guesswork. It transforms a volatile variable—your water quality—into a constant, reliable foundation, allowing you to achieve repeatable, heavy harvests cycle after cycle.
The secret to the stability this product offers lies in its "Micro" composition. It doesn't just provide Nitrogen and Calcium; it delivers a full spectrum of essential micronutrients (boron, copper, iron, manganese, zinc) in chelated forms. This means that even if your water's pH fluctuates slightly—common with hard water—the nutrients remain available to the plant rather than precipitating and turning into "rocks" at the bottom of your tank.
Furthermore, this cannabis fertilizer acts as a powerful pH buffer. Hard water is notorious for having a high alkalinity that constantly pushes pH up. FloraMicro Hard Water contains organic buffers that help stabilize the solution, keeping the acidity in the sweet spot where your plants can eat voraciously without you having to add acid every few hours.
If your tap water has an EC above 0.6 (or contains more than 70mg/L of Calcium), you need this Hard Water version. If you use Reverse Osmosis (RO) water, rain water, or very soft tap water, choose the Soft Water version.
If you mix FloraGro or FloraBloom before FloraMicro, or mix them undiluted, a nutrient lockout (precipitation) occurs. The liquid will turn cloudy, and those nutrients become unavailable to the plant. Always Micro first!
Absolutely. While it is famous in hydroponics, the Flora Series is excellent in soil and coco. Just remember that in soil, you typically feed every other watering or at a lower dosage compared to hydro.
I'll be honest, for years I was obsessed with using only RO water because I didn't trust my tap water. It felt like every time I used the hose, my plants would get cranky. But hauling water jugs or changing filters is a hassle. When I properly tested the FloraMicro Hard Water GHE, it was a game changer for my "lazy" setups.
I realized that my tap water wasn't "bad," it just needed the right partner. This bottle allowed me to use the water straight from the tap (after letting the chlorine evaporate, of course) and hit the exact same EC numbers week after week. The plants looked lush, dark green, and I didn't see a single rust spot on the leaves. If you have hard water, don't fight it—use this to work with it.
| Cultivation phase: | Growth | |
| Properties: | Regulators pH | |
| Type of crop: | Soil | |
| Composition: | Mineral | |
| Brands: | GHE General Hydroponics (Aeroflo |
Yes, the shipment is 100% discreet, no one will know what you have bought, also the sender is SITE OF SHOPS ONLINE.
Yes, we ship to almost every country in the world although you need to know the current legislation in your country to make sure that you do not break any regulations with the germination of the seeds.
UK: 3-4 days (express)
USA: 4-5 days (express)
Australia: 4-5 days (express)
Japan: 4-5 days (express)
Canada: 4-5 days (express)
South Africa: 4-5 days (express)
New Zealand: 5-7 days (express)
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The customer must be informed about the laws of their country regarding seeds or other products that may be purchased on our website, the possession of which may constitute a criminal offence in the country of receipt.
We cannot be made responsible for the wrong use that some people decide to give to the seeds, so please don't act against your national laws.
Due to problems with customs you can check here for restrictions to certain countries.
We accept the following payment methods: Bank transfer, Cryptocurrencies, cash, credit and debit cards and cash on delivery (Spain, Belgium, France, Italy, Portugal).
You can change the currency on the top right to know the price of the products in your local currency and of course pay this way.
In 24/48 hours we will ship your order.
If you live in a country where the cultivation of cannabis is legal and you decide to plant the seeds, it is good that you know that all the seeds that we commercialize have germination guarantee.
If you germinate with the method of paper napkins and you have followed all the steps that we indicate here, you will only have to return us the seeds not germinated in their original packaging and when we receive them we will proceed to the change.
Then we take care of requesting the return to the seed bank, we do not transfer this responsibility and time to our customers.
If you receive a broken product due to transport, you have to notify us within 24 hours for insurance coverage, always contact us as soon as possible and we will fix the problem!
Among all those who comment or send us your questions, there will be a monthly raffle for a €50 voucher for your purchases at Pevgrow. What are you waiting for? Write us and participate!