The best replacement for rain barrel is cistern.

The best alternatives to rain barrel are rated as following:
★★★★★  cistern

Your alternative for rain barrel is not listed? Suggest!
Speaking about rain barrel, one probably shouldn't forget about soaker hose.

Other search terms related to rain barrel and their ratings are:
★★★★★ soaker hose
★★ drip irrigation
★ downspout
rain chain
You have in mind a companion for rain barrel and it is not yet here? Propose!



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rain barrel
cistern