Reviews Archives - Page 8 of 10 - HWGROW - How to Grow at Home - Tutorials and Reviews

Reviews

At How Weed Grow, we provide objective reviews on products we purchased. We do not entertain any form of sponsorships from companies and we always review things based our own experience. We provide in depth reviews that will let you know how each product ranks compared to name brand and other generic competitors and our intention is to both save you money and help you identify the best possible products for your home grow setup.

Spider Farmer SF2000 and SF4000 LED grow-light panels side by side

Reviews April 9, 2022

Spider Farmer SF2000 & SF4000 Review: 2022 Test vs. 2026 Models

Last updated: August 2026 Quick answer: In 2022, I bought two Spider Farmer SF2000 lights ...

PANDVILLOW 400W LED grow light from HWGrow’s 2022 grid test

Reviews April 9, 2022

PANDVILLOW 400W LED Grow Light Review: 27-Point 2022 Test

Short answer: the PANDVILLOW 400W fixture I tested in 2022 was powerful, but the 27-point ...

FoxFarm Big Bloom 0-0.5-0.7 bottle in the HWGrow pH and EC test

Articles April 8, 2022

FoxFarm Big Bloom Review: pH & EC Test Results

Last updated: August 2026 Quick answer: HWGrow mixed 1 mL of FoxFarm Big Bloom 0-0.5-0.7 ...

Close-up of a pH meter probe inside a blue storage cap

Reviews March 31, 2022

How to Use, Calibrate and Store a pH Meter

Last updated: August 2026 Quick answer: A pH meter stays accurate when you keep the ...

HWGrow nutrient test setup with pH and conductivity meters

Reviews March 25, 2022

How HWGrow Tests Nutrients: pH, EC and PPM Protocol

Last updated: August 2026 Quick answer: HWGrow’s comparison protocol mixes 1 mL of liquid nutrient ...

iGrowtek six-inch fan controller beside an inline fan and power adapter

Reviews March 16, 2022

iGrowtek 6-Inch Fan Controller Review & Tutorial

Short answer: the historical iGrowtek 6-inch fan gave me a useful controller for the money. ...

Reviews March 16, 2022

Cheapest Water Chiller for Hydro RDWC

I couldn’t take it any more. I needed something to stabilize my water temperature and ...

Vivosun air pump connected to a metal air-distribution manifold

Reviews March 16, 2022

VIVOSUN 32W 950 GPH Air Pump Review (Historical Test)

This is a historical test of the older VIVOSUN 32-watt, 950-GPH commercial air pump. The ...

Rapid Rooter tray and Rockwool cubes prepared for a germination comparison

Reviews March 16, 2022

Rapid Rooter vs. Rockwool for Cannabis Seeds: HWGrow Test

Last updated: August 2026 Quick answer: Rapid Rooters beat rockwool in this small HWGrow cannabis-seed ...

Bloom Plus XP4000 LED grow light from HWGrow’s 2022 test

Reviews March 16, 2022

Bloom Plus XP4000 Review: What My 2022 PPFD Test Found

Short answer: the Bloom Plus XP4000 I tested in 2022 delivered a much more even ...

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